31. ________ each other for long, the tw

题型:选择题

问题:

31. ________ each other for long, the two brothers decided to meet soon.

A.Not having seen

B.Not seen

C.Having not seen

D.Not seeing

考点:现在分词的被动式现在分词不定式的被动式过去分词
题型:选择题

The student said to me, "She has made a close study of the problem."

The student told me that she __ a close study of the problem. [ ]

A. has make          

B. have made

C. had make          

D. had made

题型:选择题

法国文学大师雨果说:“书籍是造就灵魂的工具。”这句话启示我们               (   )

A.加强思想道德修养有助于提高学习的自觉性

B.加强思想道德修养是一个永无止境的过程

C.科学文化修养比思想道德修养更能造福人类

D.良好的科学文化修养能够促进思想道德修养

题型:选择题

一个正方体的棱长是4厘米,它的表面积和体积一样大。[ ]

题型:选择题

某男,29岁,系一餐馆厨师。因感染大肠杆菌(EIEC)而出现腹泻,粪便细菌培养阳性。不久,与餐馆有过关系的一些人发生腹痛,并向周围传播,部分病人出现黏液脓血便。

该病的主要传播途径为()

A.经水源传播

B.经空气传播

C.经食物传播

D.虫蝶传播

E.日常生活接触传播

题型:选择题

下列中哪个不是DML命令?()

A.Insert

B.Create

C.Update

D.Delete

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