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【单选题】
Don’t be afraid of asking for help _______ it is needed.
A.
unless
B.
though
C.
although
D.
when
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参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】It is widely ______that smoking can cause cancer.
A.
believed
B.
think
C.
say
D.
hoped
【单选题】The weather in my hometown in summer is usually very hot but it ________ be cold sometimes.[ ]
A.
should
B.
can
C.
must
D.
may
【单选题】________it is hoped that college students should be equipped with the ability to take a good set of notes, this is not always the case．
A.
When
B.
While
C.
As
D.
Unless
【单选题】Actually，information technology can_____the gap between the poor and the rich because all can get what they want at the same time．
A.
break
B.
1ink
C.
bridge
D.
combine
【单选题】Health experts believe that even a little exercise is far better than _____at all．Health experts believe that even a little exercise is far better than _____at all.
A.
none
B.
little
C.
everything
D.
anything
【单选题】Iran's first nuclear power plant started supplying electricity to the national grid on Saturday, ____ onstream after years of delays, Iran's ISNA news agency reported. [ ]
A.
to come
B.
come
C.
having come
D.
coming
【单选题】____ at the meeting agreed to the plan for planting trees.[ ]
A.
Everybody present
B.
Present everybody
C.
Attending everybody
D.
Everybody attending