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【简答题】
配送中心运作的基础环节是（ ）。
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反馈参考答案：
举一反三
【单选题】—Did you notice him enter the room just now? —No. I to the radio with my eyes shut.
A.
listened
B.
have listened
C.
am listening
D.
was listening
【简答题】( 1 )为什么某些肠道寄生虫如蛔虫在体内不会被消化道内的胃蛋白酶、胰蛋白酶消化? ( 2 )为什么蚕豆必须煮熟后食用,否则容易引起不适?
【单选题】--- Did you notice him come into the hall? --- Sorry, sir. I _______ with my friends online.
A.
was chatting
B.
chatted
C.
would chat
D.
am chatting
【简答题】(1) 为什么某些肠道寄生虫如蛔虫在体内不会被消化道内的胃蛋白酶,胰蛋白酶消化? (2) 为什么蚕豆必需煮熟后食用,否则容易引起不适?
【单选题】It was because of her poor health--- she was not allowed to make the long journey.
A.
when
B.
what
C.
which
D.
that
【简答题】(1) 为什么某些肠道寄生虫如蛔虫在体内不会被消化道内的胃蛋白酶,胰蛋白酶消化? (2) 为什么蚕豆必需煮熟后食用,否则容易引起不适?
【单选题】It was not long _______ the news spread and people from all over the world came to visit this miracle.
A.
after
B.
before
C.
when
D.
until
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