关于公民的权利能力和行为能力，表述正确的是( )。A．公民具有权利能力必须首先具有

用所给动词的正确形式填空。

1. We know the earth _____ (travel) around the sun.

2. Can you see the students _____ (plant) trees on the hill now?

3. —Where's your father?

    —He _____ (clean) the car behind the house.

4. I am sure she _____ (be) a very good teacher in a few years.

5. He wanted my help. So I stopped _____ (help) him.

6. Was Jane very busy _____ (plan) a boat trip with you last night?

7. It is very important _____ (not give) your goldfish too much food.

8. The boss usually makes his workers _____ (work) for twelve hours every day.

9. David _____ (fall) off the tree and hurt his legs a moment ago.

10. Millie, _____ (not frighten) the dog, or it will bark at you.

引水式水电站用于平稳由于水电站负荷变化在引水或尾水建筑物中造成流量及压力变化的建筑物是( )。

A．进水口

B．压力前池

C．调压室

D．压力管道

有甲、乙两只圆柱形玻璃杯，其内径依次是10厘米、20厘米，杯中都装满了水。甲杯中之前放有一铁块，当取出此铁块时，甲杯中的水位下降了2厘米，然后将此铁块放入乙杯中。问：这时乙杯中的水位上升了多少厘米( )

A．4厘米

B．1厘米

C．0.5厘米

D．0厘米

女，45岁，右上腹绞痛，查体:皮肤、巩膜未见黄染，辅助检查:腹部超声示胆总管结石，血清总胆红素26μmol/L。该患者行血胆红素测定时，可出现哪种改变

A．血清总胆红素和非结合胆红素升高
B．血清总胆红素和结合胆红素升高
C．血清总胆红素和结合胆红素及非结合胆红素均升高
D．结合胆红素/总胆红素比值<20%
E．结合胆红素/总胆红素比值>35%

从净收益中扣除抵押贷款还本复习额后的数额是（）。

A.潜在毛收入

B.有效毛收入

C.净运营收益

D.税前现金流量