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【单选题】
请问标准齿轮的齿廓形状是( )A.
渐开线
B.
弧线
C.
直线
D.
任意线
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反馈参考答案：
举一反三
【单选题】听力原文：M: Jane likes travelling, doesn't she? W: Yes, she often goes for weeks at a time. What does the woman say about Jane?
A.
She hasn't gone travelling for several weeks.
B.
She likes to take long trips.
C.
She prefers not to go outing on weekends.
D.
She takes a long time to plan her trips.
【单选题】Somehow we managed to ______ the boat out of the water and onto the bank.
A.
haul
B.
hoist
C.
dispose
D.
snatch
【单选题】各种注射目的有错的是
A.
皮内-- 药物过敏试验
B.
皮下-- 注射刺激性较强的药物
C.
肌内--注射药量较大的药物
D.
静脉-- 输液
E.
股静脉--采集血标本
【单选题】听力原文：M: Mary is fond of camping, isn't she? W: Yes, she often goes camping for weeks at a time. What do we learn about Mary from what the speakers said?
A.
She hasn't gone camping for weeks.
B.
She likes long' camping trips.
C.
It takes her a long time to plan her camping.
【单选题】听力原文：M: Janet's quite enthusiastic about camping, isn't she? W: Yes, she often goes for weeks at a time. Q: What does the woman say about Janet? (13)
A.
She hasn't gone camping for several weeks.
B.
She likes to take long camping trips.
C.
She prefers not to go camping on weekend.
D.
She takes a long time to plan her trips.
【单选题】听力原文：M: Janetis quite enthusiastic about camping, isn't she? W: Yes. She often goes for weeks at a time. What does the woman say about Janet?
A.
She hasn't gone camping for several weeks.
B.
She likes to take long camping trips.
C.
She prefers to go camping on weekends.
D.
She takes a long time to go.
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