He would have given you more help， if he ________ so busy.A. have not beenB. had not b

He would have given you more help， if he ________ so busy.

A. have not been

B. had not been

C. not have been

D. not had been

He said he would give me the money, but he ________ hasn’t given it to me.A.yetB.sti
He said he would give me the money, but he ________ hasn’t given it to me.
A.yet
B.still
C.already
D.too

She told me that the examination （) on Friday.

______enough time and money, the researchers would have been able to discover more in this field.
A．Giving
B．To give
C．Given
D．Being given

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Jack ___ you more help, even though he was busy.
A.might have given
B.might give
C.may have given
D.may give

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____ a lift in your car, I would not have been home.
A、Had you not given me
B、I had not given
C、You had not given me
D、Had I not given

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Normally a student must attend a certain number of courses in order to graduate, and each course which he attends gives him a credit which he may count towards a degree. In many American universities the total work for a degree consists of thirty-six courses each lasting for one semester. A typical course consists of three classes per week for fifteen weeks; while attending a university a student will probably attend four or five courses during each semester. Normally a student would expect to take four years attending two semesters each year. It is possible to spread the period of work for the degree over a longer period. It is also possible for a student to move between one university and another during his degree course, though this is not in fact done as a regular practice.
For every course that he follows a student is given a grade, which is recorded, and the record is available for the student to show to prospective employers. All this imposes a constant pressure and strain of work, but in spite of this some students still find time for great activity in student affairs. Elections to positions in student organizations amuse much enthusiasm. The effective work of maintaining discipline is usually performed by students who advise the academic authorities. Any student who is thought to have broken the rules, for example, by cheating has to appear before a student court. With the enormous numbers of students, the operation of the system does involve a certain amount of activity. A student who has held one of these positions of authority is much respected and it will be of benefit to him later in his career.
Normally a student would at least attend ______ classes each week.
A．36
B．12
C．20
D．15

Jessie lived in the country, but one year she decided to visit the capital city to do some shopping and to see the sights. She stayed at a hotel near the central market. She had seldom been to the city before, and was very excited about what she would find. On the first morning of her visit, as she walked from the hotel to the market, she passed a beggar.
He was holding up a notice which said, “Blind from birth. Please give generously.”
Jessie felt sorry for the blind beggar and she bent down and put a dollar coin into his bowl.
“Thank you,” he said.
On the third day, however, Jessie did not have a dollar coin. She had only fifty cents, so she dropped this into the beggar's bowl.
“What have I done wrong？” the beggar said, “Why are you so stingy (吝啬) today？” Jessie was very surprised by what the beggar said.
“How do you know I haven't given you a dollar？” she said “If you are blind,you can't know what coin I put into your bowl.”
“Ah,” explained the beggar,“ the truth is I'm not blind. I'm just looking after this place for the regular beggar while he's on holiday.”
“On holiday!” Jessie exclaimed. “And what exactly does your blind friend do on holiday？”
“He goes into the country,” the man said, “and takes photographs. He's a very good photographer.”
1)、The beggar was sitting in the busiest part of the city.
A.T
B.F
2)、On the first day Jessie gave the blind man some money.
A.T
B.F
3)、On the third day, the blind man noticed that Jessie had only given him fifty cents.
A.T
B.F
4)、The regular beggar went on holiday to another country.
A.T
B.F
5)、The beggar Jessie gave money to is working for his beggar friends.
A.T
B.F

Generally speaking, a British is widely regarded as a quiet, shy and conservative person who is (1)_____ only among those with whom he is acquainted. When a stranger is at present, he often seems nervous, (2)_____ embarrassed. You have to take a commuter train any morning or evening to (3)_____ the truth of this. Serious-looking businessmen and women sit reading their newspapers or dozing in a corner; hardly anybody talks, since to do so would be considered quite offensive. (4)_____, there is an unwritten but clearly understood code of behavior. which, (5)_____ broken, makes the offender immediately the object of (6)_____.
It has been known as a fact that a British has a (7)_____ for the discussion of their weather and that, if given a chance, he will talk about it (8)_____. Some people argue that it is because the British weather seldom (9)_____ forecast and hence becomes a source of interest and (10)_____ to everyone. This may be so. (11)_____ a British cannot have much (12)_____ in the weathermen, who, after promising fine, sunny weather for the following day, are often proved wrong (13)_____ a cloud over the Atlantic brings rainy weather to all districts! The man in the street seems to be as accurate—or as inaccurate—as the weathermen in his (14)_____.
Foreigners may be surprised at the number of references (15)_____ weather that the British make to each other in the course of a single day. Very often conversational greetings are (16)_____ by comments on the weather. "Nice day, isn't it？" "Beautiful!" may well be heard instead of "Good morning, how are you？" (17)_____ the foreigner may consider this exaggerated and comic, it is worthwhile pointing out that it could be used to his advantage. (18)_____ he wants to start a conversation with a British but is (19)_____ to know where to begin, he could do well to mention the state of the weather. It is a safe subject which will (20)_____ an answer from even the most reserved of the British.
A．relaxed
B．frustrated
C．amused
D．exhausted

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He would have played football but he __________time.A.did not haveB.would not hav
He would have played football but he __________time.
A.did not have
B.would not have
C.does not have
D.has no

请帮忙给出正确答案和分析，谢谢！

（课外选材)According to experts, the advantage of modified food is that it helps in pre

(课外选材)
According to experts, the advantage of modified food is that it helps in preventing the occurrence of allergies and also has a long shelf life. However, a major portion of the population is against the consumption of genetically modified food and is concerned about its disadvantages. If you are also confused about the consumption of genetically modified food, read through the pros and cons given below and decide for yourself.
ADVANTAGES OF GENETICALLY MODIFIED FOODS
●One of the most prominent advantages of genetically modified food is that it helps in controlling the occurrence of certain diseases. Certain foods cause allergy to people. Their genetic modification alters the DNA system of these foods, thereby making them non-allergic.
●Another major advantage of such type of foods is that they grow faster than their traditionally grown counterparts. As a result, there is greater productivity and more food.
●A person need not bother about any additional costs, such as buying chemicals and pesticides, when it comes to genetically engineered food. The food is naturally pest-resistant.
●Farming these foods can be a great way to fight world hunger. Since these crops grow faster or more effectively, increased production would help countries wherein crops may not normally prosper because of less than desirable environmental conditions.
●The increased shelf life of these food products helps in reducing the quantity of rotten food.
DISADVANTAGES OF GENETICALLY MODIFIED FOODS
●The biggest disadvantage of genetically modified food is that they have harmful effects on the human body. The consumption of these genetically engineered foods can lead to development of diseases that are immune to antibiotics.
●Chances of developing cancer are high in people who regularly consume engineered food.
●Since it is an unnatural way of producing foods, there is an increased health hazard such as allergens, transfer of antibiotic resistance markers and unknown effects.
●Since the production of engineered food involves infusing animal genes in the crops and tampering with nature, it might not be good for consumption in the long run.
1. How does genetically modified food control the occurrence of certain diseases？{A; B; C}
A. By cross-pollinating.
B. By conventional crossbreeding.
C. By altering the DNA system of these foods.
2. Do farmers need to buy any chemicals and pesticides if they plant genetically modified food？{A; B; C}
A. Yes, they need to. Because the food is not resist to pests.
B. No, they don’t need to. Because the food is naturally pest-resistant.
C. No, they don’t need to. Because the chemicals and pesticides are provided by the government.
3. Which statement is not the advantage of genetically modified food？{A; B; C}
A. It may have harmful effects on human body.
B. Genetically modified food grows faster than their traditionally grown counterparts.
C. Farming genetically modified food can help fight world hunger.
4. What would happen to a person if he regularly consume genetically modified food？{A; B; C}
A. He would get cold.
B. He would lose some weight.
C. He would have cancer.
5. Which title is the best for this passage？{A; B; C}
A. Can genetically modified foods combat world hunger？
B. Genetically modified mood: our answer is no
C. Genetically modified foods: pros and cons