—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
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--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
前尿道损伤时常出现
A. 无血尿
B. 终末血尿
C. 肉眼血尿
D. 尿道外口滴血
E. 盆腔腹膜外血肿