E85是含乙醇85%的乙醇汽油。美国科学家最近的一项研究表明，大量使用E85可能

下列情况中的速度，属于平均速度的是

A．刘翔在110米跨栏比赛中冲过终点线时的速度为9.5m／s

B．由于堵车，汽车在通过隧道过程中的速度仅为1.2m／s

C．返回地球的太空舱落到太平洋水面时的速度为8m／s

D．子弹射到墙上时的速度为800m／s

单词拼写。

     根据下列句子及所给汉语注释，写出空缺处各单词的正确形式。

1.This bank has formed three______(分支机构) in three different cities.

2. When you are abroad, you must find ways to______(使…适应) yourself to the culture

     and custom there.

3. The man decided to buy some        .(家具)

4. Children should be told not to follow      (陌生人).

5. He is one of the winners of the game ____(属于)to our class.

6. As everyone knows, children are ______(好奇)about how things work.

7. It is _______(方便的)to live near stores and bus stations.

8. She's ______(很少)seen to read a newspaper in her spare time.

9. What's your_____(态度)to the plan that we'll spend a lot of money on this project?

10. Bill was doing a lot of exercise to build up his       (力量).

突然注视近处物体，观察眼球内聚功能（）。

A.直接对光反射

B.间接对光反射

C.调节反射

D.辐辏反射

E.角膜反射

( )是建筑工程上应用最多的一种桩型，它适用于工业与民用建筑基础。

A．旋挖成孔灌注桩
B．长螺旋钻成孔灌注桩
C．人工挖孔混凝土灌注桩
D．混凝土预制桩

容量为600-2000M3时，圆形水池高度常取（）直径在高度确定后，可由容量直接计算得到。

A.3.0-3.5M

B.5.0-5.5M

C.6.0-6.5M

D.4.0-4.5M