项目法人应当将水利工程中的拆除工程和爆破工程发包给具有相应( )的施工单位。A．建

根据课文内容填短语，每空填一个词。

1. Many of the creatures in Rowling's world are not real, and much of _____ happens is strange.

2. He makes new friends and learns how ______ and difficult it is to be a good friend.

3. Most of us ______ like pop music and have our favourite performers, stars or bands, but many of us also want to discover new sounds and rhythms.

4. In the US, where there are many _______ people, Latin music is a big part of the culture.

5. Steve Jones is an environmental expert who tries to keep animals and plants from becoming ______.

6. We human beings could not survive ________ all the plants and animals around us.

7. Hip-hop and rap have much in common with blues and rock, but they also have their own _______.

8. Steve says that we can help by ________ more space for animals and plants.

9. We must also believe in _______ and help others if we want to be happy and live a good life.

10. The latest cellphones have features such as games, music and electronic calendar that will _____ you

     about appointments and important dates.

气管插管时如果发生误吸，紧急处理，下列哪项不恰当

A．插管后气管内吸引

B．气管内用生理盐水和碳酸氢钠冲洗

C．应用血管扩张药

D．正压通气

E．大剂量激素的应用

如图所示，水平光滑轨道AB与以O点为圆心的竖直半圆形光滑轨道BCD相切于B点，半圆形轨道的半径r=0.30m．在水平轨道上A点静置一质量为m₂=0.12kg的物块2，现有一个质量m₁=0.06kg的物块1以一定的速度向物块2运动，并与之发生正碰，碰撞过程中无机械能损失，碰撞后物块2的速度v₂=4.0m/s．物块均可视为质点，g取10m/s²，求：

（1）物块2运动到B点时对半圆形轨道的压力大小；

（2）发生碰撞前物块1的速度大小；

（3）若半圆形轨道的半径大小可调，则在题设条件下，为使物块2能通过半圆形轨道的最高点，其半径大小应满足什么条件．

组织中的成员在下述哪种情况下形成的群体具有最强的凝聚力( )

A．成员彼此之间差别悬殊，希望借此扩大自己的精神世界。

B．成员希望通过制定行为规范与制度而建立起来的群体。

C．处于专制之下，拒绝专制而组成的群体。

D．在某些特别情形下，为共同利益而自发结成的群体。

关于（）的主体，除法律法规规定外，国家政策文件也多次明确作出要求，《国务院关于深化改革严格土地管理的决定》明确规定："改革和完善宅基地审批制度，加强农村宅基地管理，禁止城镇居民在农村购置宅基地"。

A.宅基地使用权

B.农村集体土地使用权

C.宅基地所有权

D.农村集体土地所有权