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（）是常用的流体输送机械设备
提问人：网友marysnow
发布时间：2022-01-07
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A. 带式输送机
B. 斗式提升机
C. 振动输送机
D. 吸料泵
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第3题
阅读材料，回答下列问题材料一： 中国是全球最大的花生生产国和出口国。2010年花生总产量约为1520万吨，居世界阅读材料，回答下列问题 材料一： 中国是全球最大的花生生产国和出口国。2010年花生总产量约为1520万吨，居世界第一位。但是在价格上，中国花生出口价格明显低于世界平均水平。 材料二： 下图为中国花生生产分布图。 （）为提高国际市场竞争力，请为我国的花生产业发展提出合理化建议。 ___________________________________________________________________________________________
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第4题
小陈所外外国旅游团中有一位客人要求去我国的一个不对外开放的地区游览。由于旅行证一时办不下来,行程安排又紧,小陈婉言拒绝了他的要求。这位客人很生气,认为不让他去该地区旅游,违反了世界旅游组织制定的《旅游权利法案》。请问:客人这样认为对吗?为什么?
第6题
在某工程网络计划中,已知工作 N 的总时差和自由时差别为4 天和 2 天,监 理工程师检查实际进度 在某工程网络计划中,已知工作 N 的总时差和自由时差别为4 天和 2 天,监 理工程师检查实际进度时发现该工作的持续时间延长了 5天,说明此时工作N的实际进 度() 。
A．编制阶段性设计进度计划
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B．定期检查设计工作实际进展情况
C．协调设计各专业之间的配合关系
D．建立健全设计技术经济定额
第7题
SECTION B CONVERSATIONS In this section you will hear two conversations . At the end of each conversation five questions will be asked about what was said. Both the conversation and the questions will be spoken ONLY ONCE. After each question there will be a ten-second pause, you should read the four choices of A,B,C and D, and mark the best answer to each question on ANSWER SHEET TWO. You have THIRTY seconds to preview the questions. Now listen to the conversations. Test 6.mp3: Conversation One 1.
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A．The suit fits Kevin well
B．Kevin bought the suit for her
C．The suit is too expensive
D．Kevin should give her a new suit
第8题
SECTION B CONVERSATIONS In this section you will hear two conversations. At the end of each conversation, five questions will be asked about what was said. Both the conversations and the questions will be spoken ONCE ONLY. After each question there will be a ten-second pause. During the pause, you should read the four choices of A, B, C and D, and mark the best answer to each question on ANSWER SHEET TWO. You have THIRTY seconds to preview the questions. Now, listen to the conversations. Conversation One Q uestions 1 to 5 are based on Conversation One Question 1
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A．The return trip is too expensive
B．There is no technology to get people back．
C．People don’t want to return．
D．The return trip is too risky．
第9题
Listening to short conversations In this section you will hear five short conversations. At the end of each conversation, a question will be asked about what was said. Both the conversation and the question will be read only once. After each question there will be a pause. During the pause, you must read the four choices marked A),B),C)and D),and decide which is the best answer.
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A．She didn’t go to the party yesterday．
B．She didn’t remember seeing the man at the party
C．She left the party before the man arrive
D．She didn’t want to see the man．
