异步电动机运行时，电动机温度过高，电流增大，原因有（）等。A、过载 B、电压过高 C

第二节 根据对话内容，从对话后的选项中选出能填入空白处的最佳选项。选项中有两项是多余的。(共10分)

--Hi, Mr White! How was your trip to the United States?

--It was wonderful ._____小题1:__-. Here is a bag I bought for you.

---Thanks very much. You are always so kind.___小题2:___?

--I was there for half a month.

--Great!___ 小题3:___.

---Yes, it’s an attractive and exciting city. Its motto is simple and clear: All life depends on plants.

--- __小题4:__?

--The city is the main business and cultural center in the Midwest. It’s famous for its theatres as well as its excellent museums.

-- ____小题5:____?

-- There are more than 20 different specialized gardens, such as the Rock Garden , Rose Garden, Woodland Garden and the Winter Garden.

---Thanks a lot. That’s really a beautiful place.

What’s it famous for? 

Did you visit a lot of cities?

C．Can you tell me a little more about it?

D. How many gardens are there in Chicago? 

E. How long were you there ? 

F. And did you go to Chicago?

G. I really enjoyed it.

设备安装前埋设预留孔中的地脚螺栓应符合下列要求（）。

A、地脚螺栓在预留孔中应垂直、无倾斜；

B、地脚螺栓任何部位离孔壁的距离均应大于15mm，地脚螺栓底端不应碰孔底；

C、地脚螺栓上的油圬和氧化皮等应清除干净，螺纹部分应涂少量油脂；

D、螺母与垫圈、垫圈与设备底座间的接触均应紧密；

E、拧紧螺母后，螺栓应露出螺母，其长度宜为螺栓直径的1/3—2/3；

F、地角螺栓应全部刷漆或涂油防B、10C、20D、2

急性肾炎常见于

A．微小病变

B．毛细血管内增生性肾炎

C．系膜增生性肾炎

D．新月体肾炎

E．系膜毛细血管性肾炎

患者男性，41岁，咳嗽、咳痰1周，加重2天。查体：双下肺呼吸音粗糙，可闻及散在干、湿啰音，血常规白细胞11.9×10⁹/L，中性90%，血Cr86μmol/L，尿常规正常，胸部X片示双下肺炎性改变。予先锋V2g静脉滴注治疗6小时后出现高热、皮疹、关节疼痛，复查尿常规蛋白（+），白细胞（+）（其中30%以上为嗜酸性粒细胞），红细胞（++），血Cr519μmol/L。

该患者如对常规治疗疗效差，可谨慎试用的治疗方法是（）

A.甲泼尼龙冲击治疗

B.环磷酰胺冲击治疗

C.环孢素治疗

D.中医中药治疗

E.大剂量抗凝治疗

以下关于氟脲嘧啶的说法正确的有（）

A.是治疗实体癌的二线药物

B.属于抗肿瘤抗生素

C.体内易被胞嘧啶脱氨酶作用脱氨失活

D.属于抗代谢类抗肿瘤药

E.以上都对