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【单选题】
If you don’t want to let us down, do believe yourself!A.
come up with ideas
B.
be confident
C.
be more outgoing
D.
pay more attention
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【单选题】Although South Carolina's mineral resources are abundant, not all of them can be mined lucratively.
A.
molten
B.
plentiful
C.
diverse
D.
precious
【简答题】South Carolina’s mineral resources are abundant,but not ail of them can be lucratively mined. A .profitably B.safely C.easily D.extensively
【单选题】To ensure the future of mankind, it is crucial to
A.
explore our planet’s abundant resources
B.
adopt an optimistic view of the world
C.
draw on our experience from the past
D.
curb our ambition to reshape history
【单选题】What does the speaker advise us to do to capture the audience's attention
A.
Gather abundant data.
B.
Organize the idea logically.
C.
Develop a great opening.
D.
Select appropriate material.
【简答题】道路清扫机为保证清扫效果,在清扫车的车速不变的情况下,要求盘刷转速越大,刷毛绝对速度( )、内倾角( ),则抛射距离( )。
【单选题】South Carolina’s mineral resources are abundant, but not all of them can be lucratively mined.
A.
profitably
B.
safely
C.
easily
D.
extensively
【简答题】道路清扫机为保证清扫效果,在清扫车的车速不变的情况下,要求盘刷转速越大,刷毛绝对速度( )、内倾角( ),则抛射距离( )。
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