A. as three times
B.
three times as many
C.
three times many
D.
three times many as
【答案】B
【解析】考察倍数表达法。倍数表达法:A be 倍数 as adj/adv的原级 as B;故B正确。句意:人口专家说在2050年世界上将有20亿60岁以上的人口,是现在的3倍。
27.As is recorded in history, silkworms were first raised in ____we now know as Hebei Province.
A. where
B. that
C. which
D. what
【答案】D
【解析】考察宾语从句。What引导宾语从句what e now know as Hebei Province并在句中作为know的宾语。
28.He got completely
when he saw both Lucy and Lily, who are twin sisters.
A. confusing
B. confused
C. confuse
D. confuses
【答案】B
【解析】考察固定用法。Get+过去分词的结构。Get confused困惑.
29.______ the new policy, we are now living in a grand, new apartment.
A. In that
B. Due to
C. Thanks to
D. In hope of
【答案】C
【解析】介词辨析。A因为;B因为;C多亏(带有感情色彩);D希望;结合句意可知C正确。句意:多亏了心政策,我们现在住在一个很好的新的公寓中。
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