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The book _ by a famous writer. [ A] was believed to write [ B ] believed to be written [ C] was believed to be written [ D] believe to write
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【简答题】What did the man worry about at the beginning of the conversation? A. He might not find everythin1. What did the man worry about at the beginning of the conversation? A. He might not find everything h...
【单选题】甲状腺激素合成的原料有碘和甲状腺球蛋白，在甲状腺球蛋白的酪氨酸残基上发生碘化，并合成甲状腺激素。人每天从食物中大约摄碘100～200μg，占全身碘量的（）
A.
80％
B.
90％
C.
70％
D.
60％
【简答题】8【单选题】甲状腺球蛋白的碘化发生在
【简答题】听下面一段材料，回答第1-2题。 1. What part-time job did the man have in the summer? [ ] A. Acting in a vet. B. Working with pets. C. Helping feed animals at the zoo. 2. What does the man think of his part-time...
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