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【单选题】
一般机器上的零件的配合尺寸精度范围大致为( )。A.
IT2-IT5
B.
IT３-IT６
C.
IT５-IT１２
D.
IT１2-IT１８
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举一反三
【单选题】Afternoon tea was introduced in England by Anna, the 7th Duchess of Bedford, in the year 1840, _____ the evening meal was served fashionably late at 8 o’clock, thus _____ a long period of time between...
A.
in her household… leaving
B.
in whose household…leaving
C.
in her household…left
D.
in whose household…left
【判断题】Afternoon tea was introduced in England by Winston Churchill, in the year 1840.
A.
正确
B.
错误
【简答题】Try to make the following sentences concise. 1. In the year 1840 the Opium War broke out.
【简答题】5月21日,罗立民报销差旅费750元,余款250元以现金退回财务。
【单选题】If a photographer wanted to take pictures of moving things in the year of 1840, he had to______.
A.
watch lots of films
B.
buy an expensive camera
C.
stop in most cities
D.
take with him other machines apart from film
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