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【单选题】
与相比,( )。A.
可随机访问表中结点
B.
执行插入、删除操作更为简单
C.
访问前后结点更为便捷
D.
存储密度等于 1
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【简答题】We have met the enemy and he is ours We bought him at a pet shop. When monkey-pox, a disease usually found in the African rain forest suddenly turns up in children in the American .Midwest it’s hard n...
【单选题】We met Rihana and her husband at a party two months ago. ______ weve had no further communication.
A.
Thereof
B.
Thereafter
C.
Thereby
D.
Thereabouts
【单选题】I ______ Wang Tao in the street yesterday. We _______ each other since he went to Beijing.
A.
met, didn’t seen
B.
have met, hadn’t seen
C.
met, haven’t seen
D.
met, hadn’t seen
【单选题】蜂蜜总含糖量达65％-75％，还含有丰富的酶类，水溶性维生素及钙、铁、锌等。新鲜的蜂蜜可直接食用，也可配成水溶液，但不可用开水或高温蒸煮。下列说法正确的是
A.
钙、铁、锌是人体必需的微量元素
B.
高温会使酶活性增强
C.
蜂蜜属于混合物，主要成分是糖类
D.
开水使蜂蜜结晶析出
【单选题】蜂蜜总含糖量达65%-75%，还含有丰富的酶类，水溶性维生素及钙、铁、锌等．新鲜的蜂蜜可直接使用，也可配成水溶液，但不可用开水或高温蒸煮．则下列说法正确的是（ ）
A.
蜂蜜属于混合物，主要成分是糖类
B.
高温会使酶活性增强
C.
钙、铁、锌是人体必需的微量元素
D.
开水使蜂蜜结晶析出
【单选题】It was at school _____ he had studied _______ we met him last night.
A.
where; that
B.
that; that
C.
that; where
D.
where; where
【单选题】---Why did he___ that the man we met on the bridge was his father? ---God knows!
A.
refuse
B.
deny
C.
accuse
D.
resist
【单选题】He pretended _______ me when we met in the street.
A.
not to know
B.
not to be knowing
C.
not having known
D.
not knowing
【单选题】We met Rihana and her husband at a party two months ago. We've had no further communication.
A.
Thereof
B.
Thereafte
C.
Thereby
D.
Thereabouts
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