Unit 3 Inventors and inventions Section Ⅰ Warming up; Prereading, Reading & Comprehending
Ⅰ.用所给词的适当形式填空
1．Custom ________ one nation from another.(distinguish)
2．The result of the survey must be treated with ________.(cautious)
3．The difficulty of the thing was beyond my __________.(expect)
4．The king showed no ________ and killed all the prisoners.(merciful)
5．We must arrange a ________ time and place for the meeting.(convenience)
6．We did not know what had come over him to make him change his mind so ________.(abrupt)
7．They sang and danced merrily and had a ________ Christmas.(merry)
8．What ______ do you use to judge a good wine？(criterion)
9．He wears a ________ white shirt today.(stain)
10．These sentences can be changed into ________ voice.(passively)
答案：1.distinguishes 2.caution 3.expectation 4.mercy
5．convenient 6.abruptly 7.merry 8.criteria 9.stainless
10．passive
Ⅱ.句型转换
1．They returned to their hometown only when the war was over.
