《人间喜剧》之所以被誉为资本主义“社会百科全书”，主要是因为 ①它是浪漫主义文学

如图，四边形ABCD平移后得到四边形EFGH，填空：（1）CD=______，（2）∠F=∠______（3）HE=______，（4）∠D=∠______，（5）GH=______．

Students often use computers ______ emails.[ ]

A. to send

B. to give

C. send

I can’t quite remember ___ you started doing the work.

A．that is was when

B．when it was that

C．when was it that

D．that was it when

N0的中枢系统作用，正确的是()

A．吸入30%～50%有镇痛作用

B．吸入>30%有麻醉作用

C．降低颅内压

D．增加脑血流

E．麻醉作用极强

GT-AG规则