英文选择要求还要帮忙解释清楚.
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英文选择要求还要帮忙解释清楚.
I know Jonathan quite well and never doubt_____ he can do a good job of it.
A.whether B.that C.when D.what
How many more decades will have to pass_____scientists succeed in providing a cure for cancer?
A.when B.before C.since D.until
I know Jonathan quite well and never doubt_____ he can do a good job of it.
A.whether B.that C.when D.what
How many more decades will have to pass_____scientists succeed in providing a cure for cancer?
A.when B.before C.since D.until
![英文选择要求还要帮忙解释清楚.](/uploads/image/z/19545419-11-9.jpg?t=%E8%8B%B1%E6%96%87%E9%80%89%E6%8B%A9%E8%A6%81%E6%B1%82%E8%BF%98%E8%A6%81%E5%B8%AE%E5%BF%99%E8%A7%A3%E9%87%8A%E6%B8%85%E6%A5%9A.)
1 B doubt 只能和that连用 表示怀疑
2 B 翻译过来是还要几十年科学家才能成功的研发出对癌症的治疗办法
所以应该是在他们研制成功之前还要多少年 所以选B
当然until 也有这个意思 可是通常 是not until 连用
2 B 翻译过来是还要几十年科学家才能成功的研发出对癌症的治疗办法
所以应该是在他们研制成功之前还要多少年 所以选B
当然until 也有这个意思 可是通常 是not until 连用