Melinda and her colleagues will send thank-you card to their business partners____

A.to apologize for their carelessness

B.to express thanks for their cooperation

C.to celebrate the New Year

请帮忙给出正确答案和分析，谢谢！

Melinda Smith's got a job at Qiaoxiang Community S

Melinda Smith's got a job at Qiaoxiang Community Service Center. Today is her first day at work.George, the Director of the Administration Department, is introducing her to Wendy and Helen.

George: Hello, everyone. I'd like you to （）{选项：call. 选项：really. 选项：meet. 选项：number. 选项：forward} our newcomer, Melinda.

Melinda: Hi, I'm Melinda Smith, nice to meet you all here.

Wendy: Nice to meet you, too, Melinda. I'm Wendy Brown, just （）{选项：call. 选项：really. 选项：meet. 选项：number. 选项：forward} me Wendy.

Helen: Hi, I'm Helen Clinton. Welcome.

Melinda shakes hands with everyone.

Wendy: Would you come over, please, Melinda？ This is your desk.

Melinda: Thank you very much. Could you please tell me what's the telephone 回答

on my desk？

Helen: Oh, it's 8633-2788. If you have any questions here, please tell us. We'll all be ready to help.

Melinda: Thanks for everything. You're （）{选项：call. 选项：really. 选项：meet. 选项：number. 选项：forward} helpful.

Wendy: When you are free, I'll show you around our center and introduce you to other colleagues.

Melinda: That's great! I'll be looking （）{选项：call. 选项：really. 选项：meet. 选项：number. 选项：forward} to it.

Helen explained the term to Melinda impatiently.（）

国际货运单中，对于（14）栏，即运费方式支付栏（PPD/COLL）的填列内容规定为：如果COLL内添入一个“×”，则表示__（）

Melinda and Riley are married taxpayers.During the year, they completed a single capi

数据集NBASAL.RAW包含了美国篮球协会（NBA)269位运动员的薪水信息和职业统计。 （i)估计一个将每
数据集NBASAL.RAW包含了美国篮球协会(NBA)269位运动员的薪水信息和职业统计。
(i)估计一个将每场得分(points)与加入联盟年数(exper)、年龄(age)、大学期间打球年数(coll)相联系的模型。包含一个exper的二次项，其他变量都应该以水平值形式加入模型。按照通常的格式报告结果。
(ii)保持大学打球年数和年龄不变，从加入联盟的第几个年份开始，在NBA打球的经历实际上将降低每场得分？这讲得通吗？
(iii)你为什么认为coll具有负系数，而且统计显著？(提示：NBA运动员在读完大学之前被选拔出，甚至直接从高中选出。)
(iv)有必要在方程中增加age的二次项吗？一旦控制了exper和coll之后，这对年龄效应意味着什么？
(v)现在将log(wage)对points，exper，exper²，age和coll回归。以通常的格式报告结论。
(vi)在第(v)部分的回归中检验age和coll是否联合显著。一旦控制了得分和资历，这对考察年龄和受教育程度是否对工资具有单独影响这个问题有何含义？

请帮忙给出正确答案和分析，谢谢！

The singer was ______during the performance.A.at her betterB.at her bestC.betterD.on he

---What'swrongwith__---She__atoothache（）

___________was not very wise.

Her hair is ().

What can't Janie understand? （）。

What’swrongwithSheatoothache（）