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【单选题】
以下不属于必需氨基酸的是A.
苯丙氨酸
B.
甘氨酸
C.
甲硫氨酸
D.
亮氨酸
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【简答题】完形填空。 Every day after breakfast, my mother would go to read the paper and my father would wear that old apron(围裙). For the next hour __ 1 __ would do the dishes, singing songs. I thought it was strang...
【单选题】The shocking news made me realize ________ terrible problems we would face.(2011·北京)
A.
what
B.
how
C.
that
D.
why
【单选题】In the eighth century, writers ______ hours in coffee houses, discussing the news of the day.
A.
used to spending
B.
would be spending
C.
used to spend
D.
were used to spend
【多选题】对外贸易与国内贸易的一致性表现在
A.
都是商品和服务的交换
B.
商品都是从生产者向消费者转移
C.
商业习惯相同
D.
经营目的都是取得利润
E.
都受价值规律作用的调节
【单选题】In the eighth century, Writers ______ hours in coffee houses, discussing the news of the day.
A.
used to spending
B.
would be spending
C.
used to spend
D.
were used to spend
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