. --- It is said that you have given up

题型:选择题

问题:

.

--- It is said that you have given up your job as a secretary. Why?

--- The salary is OK, but I have got ___________ nothing in the office all the time.

A.tired of doing

B.tired with doing

C.tiring to do

D.tiring with doing

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

实验室常用NaNO2和NH4Cl反应制取N2。下列有关说法正确的是 [ ]

A.NaNO2是还原剂

B.NH4Cl中N元素被还原

C.生成1 mol N2时转移6 mol 电子

D.氧化剂和还原剂的物质的量之比是1︰1

题型:选择题

测量学

题型:选择题

冠心通片的组方共()味药物

A.12

B.15

C.17

D.11

题型:选择题

当计划总支出等于实际GDP时,就达到了均衡支出。

题型:选择题

()信息是指对不利于人的健康发展,危害社会公德或者民族优秀文化传统的信息。

A.淫秽

B.色情

C.低俗

D.平庸

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