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【简答题】
齿轮传动用于传递（）和（）运动，并可以改变运动速度和方向。
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反馈参考答案：
举一反三
【单选题】听力原文：W: Hello．This is Mary．I'm calling to see if my blood test results are in. M: Dr. Miller just sent them to the lab last night，so the earliest time they could be back is tomorrow morning． Q: What d...
A.
The results haven't come out yet.
B.
The results were checked again last night.
C.
The woman needs another test tomorrow.
D.
The doctor hasn't come back from the lab.
【单选题】New Zealand has a population of about 6 million people, the majority of whom live in ______ area.
A.
the South Island
B.
the North Island
C.
the Stewart Island
D.
the small islands surrounding the country
【单选题】听力原文：W: I hear you like apple best. M: Next to banana. Q: What does the man like best? (2)
A.
Apple．
B.
Banana．
C.
Orange．
D.
G．
【单选题】听力原文：M: Hello. This is Mark Smith. W: What can I do for you? M: I'm calling to see if my blood test results are in. W: Dr. Miller just sent them to the lab last night, so the earliest they could be ba...
A.
The results might be ready tomorrow.
B.
The man needs another test tomorrow.
C.
The results were called in last night.
D.
The doctor called the lab last night.
【单选题】听力原文：W: Hello, this is Sarah speaking. M: This is Hilton clinic. I'm calling to remind you of your biannual checkup at 10:00 on Thursday, July the 16th. W: I'm sorry but I have a previous engagement t...
A.
To get a prescription filled
B.
To confirm an appointment
C.
To cancel the appointment
D.
To postponed the appointment
【单选题】—I'm going to study engineering in Qinghua University tomorrow.
A.
All the best in your study
B.
All the best with your study
C.
All the best in your business
D.
All the best in your new job
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