课时跟踪检测⑱ 必修三 Unit 4 Astronomy: the science of the stars
(计时：60分钟)
Ⅰ.词汇知识
1．(2013·湖北七市联考)The monthly sales of Mo Yan's works ________ many times compared with those before he won the Nobel Prize for Literature.
A. accelerated B. stretched
C. multiplied D. switched
答案与解析 C 句意：与获得诺贝尔文学奖之前相比，莫言作品的月销售量增加了很多倍。accelerate“加速”； stretch“伸展；拉长”； multiply“(使)倍增”； switch“转变；转换”。根据句意可知选C项。
2．Roger had a GPS device fitted in his car ________ he lost his way in the city.
A. so that B. now that
C. in case D. as if
答案与解析 C 句意：罗格让人在他车上安装了GPS设备，以防在城里
