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【单选题】
当采用机械开挖箱型基础土方时，基坑底面标高以上保留( )厚的土层，采用人工。A.
200~400mm
B.
1000~300mm
C.
300~500mm
D.
500~1000mm
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举一反三
【多选题】In the sentence "Peter is going to watch movie tonight.", which words should be read weakly?（该句中的哪些词应该被弱读？）
A.
Peter
B.
is
C.
to
D.
watch
【单选题】In a circular queue we can distinguish(区分) empty queues from full queues by ( ).
A.
using a gap in the array
B.
incrementing queue positions by 2 instead of 1
C.
.keeping a count of the number of elements
D.
a and c
【单选题】Which kind of words should not be used to construct effective sentences and paragrahs.
A.
short
B.
familiar
C.
conversational
D.
strange
【多选题】以下关于点击量说法正确的有()
A.
点击量(Clicks):推广信息被点的次数
B.
点击费用(Cost):因点击产生的推广费用
C.
平均点击价格(CPC, Cost Per Click):平均到每次点击的费用
D.
点击率(CTR, Click-Through Rate):推广信息点击量与展现次数之间的比值
【多选题】In the sentence “So you’d wait until everyone is served before you eat”,which words should be stressed?
A.
you
B.
wait
C.
everyone
D.
until
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