词汇 20%

请根据括号中的提示，英文释义或句意写出句中所缺的单词。

小题1:Betty is ___________ to her friends, she often buys presents for them.

小题2:The      （长度）of their summer holiday is about two months.

小题3:Drinking a glass of milk every morning is good for our h      .

小题4:I got 10points and he got 6points, so he did the exercises more c________ than I.

小题5:English is one of the most important l      .

小题6:There is a lot of t      on the road at8 a.m. every morning.

小题7:The Three space _______(英雄) returned to Beijing on September 29^th.

第一萃取塔塔底质量不合格时可作如下处理（）。

A.增大溶剂比

B.减少溶剂量

C.增加压缩机返回量

D.减少第二萃取塔进料量