借用外债应当按照国家有关规定办理，并到外汇管理机关办理外债（）。 A.核准 B.

如图，学生课桌质量为9kg，桌子与地面有四个接触面，每个接触面的面积为4×10^-4 m²；某同学将底面积为2.5×10^-3 m²、容量为1L、装满水后水深为18cm的塑料水杯放在课桌的桌面上。（不计水杯的质量，取g=10N/kg）求：

（1）课桌对地面的压力；

（2）课桌对地面的压强；

（3）塑料水杯对桌面的压强；

（4）水对塑料水杯底部的压强。

各类作业人员应被告知其作业现场和工作岗位存在的_____及事故_____处理措施。

1．Not ________________(意识到他的错误)，he continued to behave like that.(realize)

2．-Can I take my car now?

     -Oh，sorry.It __________(修理)and won’t be ready for two hours.(repair)

3．Look at the old photo __________(在我家乡照的)when I was a child. (hometown)

4．________________(他们的共同特点)is that they are both devoted fans of Michael

Jackson.(have)5．Mr. Brown was not a genius，nor ________________(他懂) physics.

(understand)

6．There is no waste paper in the basket. It must ________________(处理掉了)by the

assistant.(dispose)

7．Though the crew were at first under the impression __________(沉船找到了)，the

contents of the sea－chest proved them wrong.(found)

8．The situation will get worse if not __________(认真对待)．(deal with)

9．Requirements are given to each department that all the lights __________(关闭)whenever

one leaves the office.(switch)

10．It’s raining so hard now. I ________________(应该带)an umbrella with me when I left

home this morning.(bring)

掉期率报价法是（）

A.即期外汇交易的报价法

B.远期外汇交易的报价法

C.外汇期货交易的报价法

D.外汇期权交易的报价法

外加剂测定pH值时如遇粉状外加剂需将其用水溶解成多少浓度（）

A.5g/L

B.10g/L

C.15g/L

D.100g/L