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