( )1. He is very busy, so he seldom spends the weekends __________ his family.
A. on
B. with
C. for
D. by
A. on
B. with
C. for
D. by
答案
一、1—5 BBCAB
( )2. Do you know what __________ yesterday?
A. did he happen
B. happened to him
C. he happened
D. he had happened
A. did he happen
B. happened to him
C. he happened
D. he had happened
答案
一、1—5 BBCAB
( )3. He developed a new type of hybrid rice plant, __________ produced 20% more rice per unit than other common kinds in 1975.
A. that
B. who
C. which
D. what
A. that
B. who
C. which
D. what
答案
一、1—5 BBCAB
( )4. __________ his achievements, rice production has been increased by 20%-30%.
A. Because of
B. Because
C. For
D. As
A. Because of
B. Because
C. For
D. As
答案
一、1—5 BBCAB
( )5. I like the way __________ he often uses to talk to me.
A. how
B. which
C. what
D. in which
A. how
B. which
C. what
D. in which
答案
一、1—5 BBCAB
1. Yuan Longping worked as a teacher in an __________ (农业) school after graduating from college.
答案
二、1. agriculture 2. hunger 3. advantages 4. development 5. increased
2. Some people die of __________ (饥饿) in Africa every year.
答案
二、1. agriculture 2. hunger 3. advantages 4. development 5. increased
3. In 1964, he happened to find a natural hybrid rice plant that had many __________ (优势) over others.
答案
二、1. agriculture 2. hunger 3. advantages 4. development 5. increased
4. He spent all his life on the research and __________ (发展) of better rice plants.
答案
二、1. agriculture 2. hunger 3. advantages 4. development 5. increased
5. His achievements have __________ rice production by 20%-30%, and in some places even more.
答案
二、1. agriculture 2. hunger 3. advantages 4. development 5. increased