[单选题]题目 102我国社会主义经济制度的基础是（）。-我要搜题网

The curious youngster, the crack student who gets nothing (31) A’s in math and sciences, the bright and inventive whiz kid who frightens his or her schoolmates, sometimes becomes an inventor that the world will honor forever for devising an important machine, improving an old process, or making a major breakthrough (32) the search for the cure for some disease.
It is rare nowadays to see one person alone invent something entirely new and startling. More (33) a number of researchers are working (34) a problem that has been studied by others for some time; a pioneer has (35) the groundwork, probably, and his or her successors are building on it, step by step.
Scientists, engineers, and technicians are a competitive lot; they often have a clear idea (36) what is afoot in (37) others’ laboratories, and they do their (38) to beat their rivals to the final glorious discovery.
Some inventors are

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[单选题]经过多年来的发展与实践，无论在功能和性能，还是在工程实施与系统可靠稳定运行方面，（）系统都已十分成熟，在大型专业会议电视系统领域占据着统治地位。
A.H.321
B.H.322
C.H.323
D.H.230

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[判断题]2.97 驾驶机动车在高速公路上行驶，可以随时借用应急车道行驶、超车或停车。
A.正确
B.错误

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[简答题]120km/h及以下重载铁路，钢梁桥面系纵梁位置处横梁的挠度，端横梁应<--NRC-->，中间横梁应不大于5mm。

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[单项选择]

W: Please have a seat, Mr. Saunders. I received your job resume last week, and I was very impressed.
M: Thank you!
W: Would you mind telling me a little bit about your present job
M: I’m currently working in a large international company in charge of a team of 8 brokers. We buy and sell stocks for major clients worldwide.
W: Why do you think you are the right candidate for this position
M: As a head broker, I have a lot of experience in the stock market, I deal with the clients on the daily basis, and I enjoy working with people.
W: Well, you might just be the person we’ve been looking for. I will discuss your application with my colleagues and we’ll get back to you early next week.
M: OK, thanks, it’s been nice meeting you!
W: Nice meeting you too! And thanks for coming in today.

What is Mr. Saunders’ current job （）
A. Head of a small company.
B. Team leader of a big company.
C. Head of a big insurance company.
D. Officer in a small company.

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[判断题]设置警示标志应根据有限空间存在的主要危害，选择相应的禁止标志、警告标志、指令标志和警示用语。
A.正确
B.错误

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[单选题]使用重铬酸钾法时被测溶液必须是.性。
A.碱
B.弱碱
C.中
D.酸

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[名词解释]太阳日

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[判断题]初二学生陈某犯抢劫罪被判处有期徒刑，陈某在刑罚执行期间还可以继续接受义务教育。

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[单选题] 年 2 月 15 日发生的吉林市中百商厦大火,造成了( )人死亡。
A.83;
B.89;
C.54

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[单选题]使用两台起重机抬吊同一构件时，起重机承担的构件重量应考虑不平衡系数，单台吊车不应超过其额定起吊重量的（）。
A.85%
B.90%
C.95%
D.80%