Don’t worry if you don’t understand everything, The teacher will ( )the main points at the end.
A． recover
B． review
C． require
D． remember
This printer is of good quality. If it ( )break down within the first year, we would repair it at our expense.
A． would
B． should
C． could
D． might
2008年，上海人均GDP首次超过万美元。
A. Subjects B. ideas C. Procedures D. Examples
该水源地位于
A.长江三峡谷地B.青藏高原C.汉江谷地D.江南丘陵