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7千米______700米 8分米______65厘米 28毫米______3厘米 6001千克______7吨 300米______3000厘米 50毫米______1米．
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【简答题】当用指针式万用表检测二极管时,若测得的正、反向电阻均为无穷大时,则二极管内部已();若测得的正、反电阻均很小或为零,则二极管内部已();
【简答题】For most formal occasions, it’s best to invite guests three or four weeks in advance. If you choose to invite your guests by phone, remind them again in writing two weeks before the gathering. Here ar...
【单选题】You invite an out-of-town to dinner to discuss work; you should:
A.
Take them to your favorite sports bar that’s showing an important
B.
Take them to an upscale French restaurant with a romantic ambience
C.
Ask for their preference and pick an appropriate restaurant
D.
Invite the to your office to eat fast food
【简答题】The _______ strokes of four-stroke engine are intake stroke, compression stroke, power stroke and exhaust stroke.
【判断题】Most internal combustion engines operate on the four stroke cycle. These four strokes are intake stroke, compression stroke, power stroke and exhaust stroke.
A.
正确
B.
错误
【单选题】I'd like to invite you out to dinner before you________ Paris.
A.
leave for
B.
in view of
C.
place an order
D.
consumer show
【单选题】These four strokes are intake stroke, _____ stroke, power stroke and exhaust stroke.
A.
compressed
B.
compression
C.
compressing
D.
compress
【简答题】当用指针式万用表检测二极管时,若测得的正、反向电阻均为无穷大时,则二极管内部已();若测得的正、反电阻均很小或为零,则二极管内部已();
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