方程2x（x-3）=7（3-x）的根是（ ） A．x=3 B．x=72 C．x1=3，

选择单词，补全对话。

A: Where 1.              (are, were) you last night? 

B: I 2.             (was, am) at home. 

A: You look tired. 

B: Yes. I 3.             (went, go) to bed late.

A: What 4.             (do, did) you do? 

B: I 5.             (surfed, surf) the Yahoo Internet.

老年女性，65岁。发现右乳腺无痛性肿物1个月，逐渐长大，边界不清，不易活动。大体切面鱼肉状，镜下显示梭形细胞排列成束状或漩涡状，胞质较丰富，细胞异型性明显，核分裂象多见，局灶有坏死，未见上皮成分。

若肿瘤细胞免疫组化显示CK阴性，Vimentin阳性，SMA阳性，Desmin阳性，S-100阴性，CD34阴性，CD68阴性，应诊断为（）。

A.孤立性纤维性肿瘤

B.恶性血管外皮瘤

C.恶性纤维组织细胞瘤

D.软骨肉瘤

E.平滑肌肉瘤

This was one of my experiences (1) . When I was in my 30s, I was working for a large international company which had its head office in London. I was working in the (2) department.

The company had a training centre which was just outside London. Different courses were held there throughout (3) and I (4) go on one training course a year. These usually started (5) a Sunday evening and lasted six days.

Once I was (6) a week’s training course with about forty (7) sales people. I was in the bar on the Friday evening and suddenly a woman who was (8) behind the bar asked mea curious question. "I hope you don’t (9) my asking," she said, "but I’ve been (10) about it all week. Have you got a sister (11) Mary" The woman’s name was June. And she used to do various jobs at the training centre. She worked in the office, she organized all the food and drink for the centre and she worked in the bar at lunchtime and in the evening.

My answer (12) June’s question was "Yes", and June said, "I thought (13) . I met her last September when she was organizing a course here. " At that time, my sister was working for (14) company but in a different part of the country. That was (15) she came to be at the training centre.

(16) surprised me was how June guessed we were brother and sister. Three things made it even more (17) . First, she had met my sister six months before she met me. Second, they have about sixty new people every week at the training centre. So about one thousand five hundred people had (18) the centre in those six months. And (19) , my sister is married, so she doesn’t have the same family name as me.

We’re not (20) , but I guess we must look quite like each other.

3().

A．the year

B．the month

C．the week

D．the day

汇编语言程序是计算机能直接执行的程序。 ( )

诊断咽异感症包括（）。

A.详细了解病史

B.认真做好各项检查，综合分析

C.凭咽部检查可明确诊断

D.咽部检查不能确诊

E.注意除外隐蔽的咽喉等器质性病变