在我国，未成年工不得从事体力劳动强度分级中的（）.
A.第一级强度劳动
B.第二级强度劳动
C.第三级强度劳动
D.第四级强度劳动
参考答案：D
将下列句子中错误找出并改正。
( ) 1. Did you finished your work two hours ago? ____________
A B C D
( ) 2. This sweater is very nice. You can try on its. ____________
( ) 3. Jim sent an e-mail to she yesterday. ____________
( ) 4. Was your brother a basketball player three years ago? No, he didn't. ____________
( ) 5. There are some bookshops on the two floor of the mall. _____________
急性肾炎患儿，T 36.8℃，BP 18.7/14.7kPa，水肿渐加重，尿量减少，突然呼吸困难，不能平卧，肺底湿哕音，心音钝奔马律，肝在肋下2cm压痛(+)，白细胞数正常，考虑伴有
A．肺炎B．肾衰竭C．高血压脑病D．严重循环充血E．呼吸衰竭
