题目内容：
回答(56)题
A．If B．While
C．Since
D．Though
参考答案：
答案解析：
单选题：回答(56)题
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B．While
C．Since
D．Though
B．While
C．Since
D．Though
We can infer from the second paragraph that
We can infer from the second paragraph thatA．Turkey will soon catch the average
He tried to avoid the barrier to his carrying out the plan.
He tried to avoid the barrier to his carrying out the plan.A．root B．obstacle C．d
根据以下材料，回答题Study Helps Predict Big Mediterranean QuakeScienti
根据以下材料，回答题Study Helps Predict Big Mediterranean QuakeScientists have found evi
If you continue to indulge in computer games like this, your
If you continue to indulge in computer games like this, your future will be at s
Those scientists are studying on how to harness the energy o
Those scientists are studying on how to harness the energy of the wind.A．create