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【单选题】
关于离合器功用下列说法错误的是:A.
发动机与传动系逐渐接合，保证汽车平稳起步
B.
时切断发动机的动力传动，保证变速器换档平顺
C.
制所传递的转矩，防止传动系过载
D.
速增扭
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反馈参考答案：
举一反三
【单选题】UNIT 3 PART 1 SECTION B TASK 3 Listen to the following passage. Choose the best answer to each question. (You are required to finish the question 6, question 7 and question 8 altogether.) 6. What hap...
A.
People work at a more interesting job.
B.
People are given a harder job to do.
C.
People are out of job.
D.
People have to go back to school to learn a new job.
【单选题】2 Question 1 to 3 are based on the conversation you have just heard.
A.
Air pollution
B.
Agriculture
C.
Industry
D.
Water
【单选题】Passage 1 Question 16 to 18 are based on the passage you have just heard. question 16.mp3:
A.
Ignore small details while reading.
B.
Read at least several chapters at one sitting.
C.
Develop a habit of reading critically.
D.
Get key information by reading just once or twice.
【单选题】3 Question 1 to 3 are based on the conversation you have just heard.
A.
Industry
B.
Cars
C.
Factories
D.
Agriculture
【单选题】1 Question 1 to 3 are based on the conversation you have just heard.
A.
Mine
B.
Gold
C.
Environment issue
D.
Water
【单选题】UNIT 1 PART 1 SECTION B TASK 3 Listen to the following passage. Choose the best answer to each question. (You are required to finish the question 6, question 7 and question 8 altogether.) What is the ...
A.
To tell the story of fraud.
B.
To persuade people to change their minds about donating.
C.
To let people know how much they should donate.
D.
To tell people the weakest link in society.
【单选题】在ZigBee网络中存在三种设备类型：协调器、路由器和终端设备，但是在ZigBee网络中只能有一个（ ），可以有多个（ ）和多个（ ）。
A.
路由器、协调器、终端
B.
协调器、终端、路由器
C.
路由器、终端、协调器
D.
终端、路由器、协调器
【简答题】ZigBee 网络中有三种类型的节点,分别是()、()和 ZigBee 终端节点。
【单选题】Conversation 1 Question 9 to 11 are based ont the conversation you have just heard. question 9.mp3:
A.
She had a job interview to attend.
B.
She was busy finishing her project.
C.
She had to attend an important meeting.
D.
She was in the middle of writing an essay.
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