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问题
单项选择题
甲肝主要经()
A.呼吸道传播
B.消化道传播
C.呼吸道和消化道传播
D.皮肤黏膜接触传播
E.蚊虫媒介传播
答案
参考答案:
B
选择题
They ____ to the park yesterday and ____ a good time there.
A. go; have
B. gone; had
C. went; had
D. going; having
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名词解释
国际贷款
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