对多发性骨髓瘤患者为避免诱发急性肾衰竭，应禁止进行的检查是（） A.肾功能的检查 B

Most American families are smaller than the families in other countries.

Children in the USA will  51 their parents’ home when they grow up. They usually live far from their parents because they often goo to different places to find good jobs. They often  52 to their parents or phone them, and they can choose their own  53.  Americans think it’s important for young people to make their own decisions.

Children are asked to do some house work at  54. In many families, children are paid for  55 the housework so that they can learn how to manage their own money.

小题1:A. leave    B. go    C. love

小题2:A. come    B. drive   C. write

小题3:A. jobs     B. job    C. works

小题4:A. playground   B. home   C. classroom

小题5:A. to do   B. do   C. doing

(二)
某建筑公司委托某三级建筑施工企业试验室对该公司即将施工的砌筑砂浆进行抗压强度检测。已知进行检测的砌筑砂浆取样于同一搅拌机，从5个不同部位采取，所取试样的数量多于试验用料的2倍，且砂浆拌和时试验室的温度保持在20℃±5℃，实验室原材料的温度与施工现场的温度保持一致。
请根据已知条件，回答下列问题。

苯的氨基和硝基化合物中三硝基甲苯、二硝基酚、三硝苯胺等均可引起的职业病是( )。

A．膀胱癌
B．白内障
C．甲烷中毒
D．局部振动病

通配符指的是键盘上（）

A.星号和问号

B.句号和叹号

C.冒号和引号

D.逗号和顿号