–Excuse me, sir, but I don’t think you c

题型:选择题

问题:

–Excuse me, sir, but I don’t think you can smoke here.

–Really sorry. I ______ this is a non-smoking area.

A.don’t know

B.didn’t know

C.have no idea

D.haven’t known

考点:情景交际日常用语、谚语
题型:选择题

阅读下面材料,在空白处填入适当的内容(1个单词)或括号内单词的正确形式。    

Chengdu has dozens of new millionaires, Asia’s biggest building, and fancy new hotels. But for tourists like me, pandas are its top(61)(attract).

So it was a great honour to be invited backstage at the not-for-profit Panda Base, where ticket money helps pay for research, I(62)(arrow)to get up close to these cute animals at the 600-acre centre. From tomorrow, I will be their UK ambassador. The title will be(63)(official) given to me at a ceremony in London.But my connection with pandas goes back (64)my days on a TV show in the mid-1980s,(65)I was the first Western TV reporter(66)(permit) to film a special unit caring for pandas rescued from starvation in the wild. My ambassadorial duties will include(67)(introduce) British visitors to the 120-plus pandas at Chengdu and others at a research in the misty mountains of Bifengxia.

On mu recent visit, I help a lively three-month-old twin that had been rejected by(68)(it) mother. The nursery team switches him every few(69)(day) with his sister so that while one is being bottle-fed,(70)other is with mum-she never suspects.

61()

题型:选择题

医生在检测某人血浆、原尿、尿液三种液体时,发现其含甲乙两种物质的情况如下表。试分析判断甲乙分别是(   )

 血浆原尿尿液
0.03%0.03%1.8%
0.1%0.1%0%
 

A. 甲是葡萄糖,乙是蛋白质

B. 甲是尿素,乙是蛋白质

C. 甲是葡萄糖,乙是无机盐

D. 甲是尿素,乙是葡萄糖

题型:选择题

()不是SS7E型电力机车变流装置的保护电路。

A、过电压保护

B、过电流保护

C、短路保护

D、照明过载保护

题型:选择题

ACD、CPD、CPD-A抗凝血液,4±2℃条件下各保存()天。

A.全部28天

B.ACD保存21天、CPD保存28天、CPD-A保存35天

C.ACD-B保存21天、CPD、CPD-A保存35天

D.ACD-B、CPD保存28天、CPD-A保存35天

E.ACD保存28天、CPD保存21天、CPD-A保存35天

题型:选择题

与基于条件的分离相关的发明原理包括()。

A、逆向思维

B、曲面化

C、变害为利

D、反馈

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