课时作业29 Unit 4 Global warming
Ⅰ.单项填空
1．(2013·福建六校联考)I have no idea how it ________ that the man met with trouble again.
A．came out B ．came about
C．came up D．came across
解析：come about 发生。句意：我不知道这个男人又一次遇到麻烦是怎么发生的。come out 出版，出来；come up 被提出；come across 偶遇。
答案：B
2．The food is not very good in this restaurant, but we shall just have to ________ it.
A．pay attention to B．hold on to
C．put up with D．keep up with
解析：本题考查短语辨析。句意：这个饭店的食物不是很好，但是我们不得不忍耐一下。put up with 忍受，容忍，符合句意。pay attention to 注意，留意；hold on to 紧紧抓住，坚持；keep up with 跟上，赶上。
答案：C
3．(2013·南京市四校联考)—I haven't seen you for a long time. What are you b usy doing?
—I have been ________ my French because I will go to w ork in France this summer.
A．speeding up B．lighting up
C．making up D．polishing up
解析：polish up 磨光，使发光。后一句句意：——我一直在提高我的法语因为我 今年夏天要去法国。speed up 加速；light up 照亮，光彩四溢；make up 化妆，构成，编造，和好，弥补。
