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【判断题】
使液压泵的输出流量为零,此称为流量卸荷A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】听力原文：W: Since it's the rush hour, let's take the subway. M: Ok, it's not as direct as the bus, but it's faster and there will be less chance of a traffic jam. Q: Why do the man and the woman decide to...
A.
It's more direct.
B.
It's less crowded.
C.
It's less expensive.
D.
It's faster.
【单选题】听力原文：M: Since it's the rush hour, let's take the subway. W: OK, it's not as direct as the bus, but it's faster and there will be less chance of a traffic jam. Q: Why do the man and the woman decide to...
A.
Because it's more direct.
B.
Because it's less crowded.
C.
Because it's less expensive.
D.
Because it's faster.
【单选题】听力原文：W: By the way, this is a direct flight, isn't it? M: No. I'm afraid there% a stopover in Vegas. But you’ll be in San Francisco in no time at all. Q: What can you learn from the conversation? (19)
A.
The woman will take a direct flight.
B.
The woman's destination is San Francisco.
C.
The woman will go to Vegas first and then to San Francisco.
D.
The woman wants to go to San Francisco by a direct flight.
【单选题】听力原文：W: Direct Line was the first direct provider of insurance in the UK when it started 13 years ago. How many call centers does the company now operate? M: We have six regional centers which employ ...
A.
Because the company does not have to pay as many claims as competitors.
B.
Because the company rent no shops and pay no commission.
C.
Because the company does not have to pay for advertising.
D.
Because the company offers many products and services.
【单选题】听力原文：W: There is a direct flight at 9 o'clock or a flight at 2 this afternoon that stops over in Rome. M: I think I'd rather leave earlier so as to work. Q: What relationship do these people most prob...
A.
Caller and operator.
B.
Salesman and customer.
C.
Airline agent and customer.
D.
stewardess and passenger.
【简答题】读图文资料，回答下列问题（共18分）。 材料一：我国某主要河流流域局部图 材料二：M湖流域地域辽阔，草原广袤，河流众多，水草丰美。近几年来，监测显示M湖水位以平均每年12．1厘米的速度下降。 材料三：郑州自古就有 “九州腹地,十省通衢”之称，现在是全国商贸中心改革试点城市，中国三大邮政枢纽之一。 材料四：国内建立最早、规模最大的粮食批发市场——郑州粮食批发市场，2006年被国家粮食局确定为“郑州国...
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