下列建筑安装工程费中，应列入直接工程费的是（）。A．施工机械的安拆费及场外运输费 B

根据句意及首字母或者图片提示填空。

1. English isn't d_______ to learn, if you have an efficient method.

2. I like v_______ very much, for it is very fun.

3. Playing _______ is indeed really interesting.

4. My sister has a ping-pong _______.

5. _______ is young boys' favorite.

6. We need a _______ ball, Dad!

7. Does your sister have a _______?

8. —Where is your pencil, Dave? —It's in the _______ on the desk.

9. There are many _______ on the tree.

10.  His sister has two _______ They're very nice.

下列各种提法中，不正确的是

A．同情感是医务人员起码的医德情感
B．事业感不属于医德情感的范畴
C．责任感是事业感的升华
D．医德情感是医德良心的深化
E．责任感是最高层次的医德情感

对羟福林的药理作用是（）

A.兴奋中枢

B.兴奋α受体

C.兴奋M受体

D.间接兴奋α、β受体

E.兴奋N受体

恒U/f控制方式下的变压变频调速时的机械特性，低速时临界转矩有所减少的原因是（）。

A.气隙磁通变小的原因

B.电动机轴上负载的影响

C.转速过低的原因

D.定子漏磁阻抗压降的影响

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