第二卷 V.单词拼写。根据汉语或首字母提示用正确的单词形式填空(共10小题;每小

题型:完形填空

问题:

第二卷

V.单词拼写。根据汉语或首字母提示用正确的单词形式填空(共10小题;每小题1分,满分10分)

1.He was a_________ a gold medal for his great contribution to the country.

2.You had better ________(咨询)your doctor about your headache.

3.On the ____________ (到达) of the famous singer, all his fans began to cheer loudly.

4.Our boss could have sold more goods if he had promised to offer a 40% ___________

5.As the minutes ticked away they began to lose ___________(耐心).

6.It was just ____________(难以置信的)that I got the highest mark in my test.

7.The ticket p_________ three people to go into the exhibition.

8.The child was found _________(闲逛) on the streets alone.

9. The proud man said he would rather s_______ to death than beg for food.

10.We consider it necessary to c________ theory with practice.

考点:单词、词组
题型:完形填空

下列操作达不到预期目的的是(   )

①将某卤代烃与氢氧化钠的水溶液共热,向冷却后的反应液中滴加AgNO3溶液,若产生白色沉淀,则证明该卤代烃为氯代烃

②用乙醇和30%的硫酸共热到170℃制取乙烯

③在少量苯酚稀溶液中滴入过量饱和溴水出现白色沉淀

④将苯与浓硝酸混合加热至60℃制备硝基苯

⑤检验淀粉已经水解,将淀粉与少量稀硫酸加热一段时间后,再加入银氨溶液加热。

A.①③④

B.②③⑤

C.①②④⑤

D.①②③④⑤

题型:完形填空

含有杂质的天然水通过蒸发、挥发、过滤、氧化而得到净化,上述过程中肯定涉及化学变化的环节是 [ ]

A.蒸发

B.挥发

C.过滤

D.氧化

题型:完形填空

信息传输的安全应保证信息在网络传输的过程中不被泄露和不被攻击。下列哪些属于攻击方法    Ⅰ.复制信息  Ⅱ.剪裁信息  Ⅲ.窃听信息

A. Ⅰ和Ⅱ

B. Ⅱ和Ⅲ

C. Ⅰ和Ⅲ

D. 全部

题型:完形填空

实际偏差是()。

A.设计时给定的

B.直接测量得到的

C.通过测量、计算得到的

D.最大极限尺寸与最小极限尺寸之代数差

题型:完形填空

DS3型水准仪的主要组成部分是( )。

A.物镜、水准器、基座

B.望远镜、水准器、基座

C.望远镜、三脚架、基座

D.仪器箱、照准部、三脚架

更多题库