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【单选题】
( )被看做是一个工作系统,是信息进入长时记忆的加工器。A.
感觉记忆
B.
短时记忆
C.
长时记忆
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举一反三
【单选题】When was the hammock invented and by whom?
A.
The Indians had invented the hammock long before they came to South America.
B.
The Indians had invented the hammock long before the Europeans came to South America.
C.
The Europeans invented the hammock after they made acquaintance with the Indians.
D.
The Europeans had invented the hammock before they went to South America.
【单选题】设全集U={1，2，3，4，5}，集合M={1，3，5}，集合N={3，4，5}，则集合（C U M）∩N等于（ ）
A.
{4}
B.
{2，3，4，5}
C.
{1，3，4，5}
D.
?
【单选题】It’s not the whole nation rose up and drove the enemy out of their homeland.
A.
before long
B.
long before
C.
soon
D.
a long time
【单选题】Not ____ he died, he received an award for his selfless service to the old. [ ]
A.
long before
B.
before long
C.
long ago
D.
shortly before
【单选题】He said he had been to Hong Kong ____ and he would go there _____ once again. [ ]
A.
long before, before long
B.
before long, long before
C.
long ago, before long
D.
long before, long before
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