Only in this way______ English well.
A. can you learn
B. can you learned
C. you can learn
D. you learned
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—Let's hurry. Listen! There______ .—Oh, yes. Has the teacher come yet？—Look! Here_______ .
A. the bell goes, is he coming
B. goes the bell, he comes
C. the bell is going, he is coming
D. goes the bell, comes he
--Is everyone here?--Not yet. Look, there_____the rest of our students.
A. is coming
B. comes
C. has come
D. come
I can not see that word clearly from here._________.
A. Neither I can't.
B. Neither I can.
C. I can't neither.
D. Neither Can I.
双光束分光光度计与单光束分光光度计相比，其突出优点是()
A. 可以扩大波长的应用范围
B. 可以采用快速响应的检测系统
C. 可以抵消吸收池所带来的误差
D. 可以减小因光源的变化而产生的误差
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