下列各句依次采用的修辞方法是 ①遥望见十里长亭，减了玉肌。②譬如朝露，去日苦多。③惟有长江水，无语东流。
A. 夸张 比喻 拟人
B. 拟人 比喻 夸张
C. 夸张 拟人 比喻
D. 拟人 夸张 比喻
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有关tRNA的叙述，哪项是错误的
A. 是氨基酸的转运工具
B. 其3'端结合氨基酸
C. 有反密码子可识别mRNA上的密码子
D. 分子量比mRNA小
E. 只有20种tRNA
The new pills seemed to be a solution to ______.
A. the problem of overweight that has obsessed Americans for a long time
B. the problem that is of great weight and significance
C. heart disease, diabetes, and stroke
D. the side effects of weight-loss drugs
下列诗人生活在盛唐的是
A. 李白
B. 自居易
C. 李商隐
D. 陈子昂
What can we infer from the last paragraph of the article
A. The severely fat patients are threatened with potential illness.
B. The diet-pills have been sold to all comers without discrimination.
C. The diet-pills should not have been hailed as miraculous cures and then discarded as dangerous drugs.
D. The diet-pills were intended to a short-term cure for the very fat.
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