渤海是中国近海四大海区中面积最小的一个，其面积约为（）。A、5万平方千米 B、9万平

Read and choose. （给下面的单词分类）

monkey  funnier  red  elephant  younger  yellow  hair  dinosaur  leg  stronger tail blue

1. Animal:________________________________________________________________

2. Comparative degree（比较级）：___________________________________________

3. Colour:_________________________________________________________________

4. Body:__________________________________________________________________

There is an obvious _______ between children spending too much time playing computer games and their bad grades at school.

A．possibility

B．connection

C．chance

D．cause

视平线是否水平是根据水准管的气泡是否居中来判断。 ( )

Ships traveling in the North Atlantic during the winter must be constantly watchful to avoid icebergs, large masses of ice ______ only one-ninth is visible above water.

A．so that

B．in that

C．which

D．of which

肘部桡神经损伤的症状、体征有（）

A.不能伸腕

B.拇指不能背伸

C.虎口区感觉障碍

D.大鱼际萎缩

E.拇指不能内收