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【判断题】
汉语普通话音节必须具有韵头和韵腹。A.
正确
B.
错误
拍照语音搜题，微信中搜索"皮皮学"使用
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举一反三
【单选题】Lily has always wanted ________ the top student in her class, so she never gives up ________ even if she fails the exam sometimes.
A.
to be; to study
B.
being; to study
C.
to be; studying
D.
being; studying
【简答题】Frances is the top student in our class, but her aim is to _______(achievement) even better exam results.
【单选题】真核细胞核糖体单体及大小亚基的沉降系数分别为( )
A.
80S,50S,30S
B.
70S,40S,30S
C.
80S,60S,40S
D.
70S,50S,30S
E.
80S,60S,30S
【简答题】根据中文写出单词的适当形式。（5分） 小题1:Even though he is the top student in our class, he is very ________ (谦虚的). 小题2:He is very __________（心灵手巧的）, and he is good at cards. 小题3:Please give up ________ (争论) abo...
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