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搜题
【单选题】
基本的逻辑结构有哪些?
A.
线性结构、树形结构、图形结构;
B.
顺序结构、索引结构、链式结构;
C.
抽象数据类型、运算集合。
D.
散列结构
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举一反三
【单选题】Smith was born ________ December, 1950. He works ________ a farm.
A.
on; in
B.
in; on
C.
in; at
D.
on; on
【单选题】Mr.Smith was born ____and died_____
A.
in the 1985s;in his eighties
B.
in 1985's;in his eighty
C.
in the 1985's;in his eighty
D.
in the 1985's;in his eighties
【单选题】[单选题]多数食物中毒以( )为主要特征。
A.
急性肠胃炎
B.
潜伏期短
C.
突然的集体爆发
D.
上吐下泻
【简答题】听录音,判断下列图片正(√)误(×)。 (     )               (     )          (     )                (     )                      (     )
【多选题】氟离子选择性电极膜电位的产生是由于:
A.
F - 在溶液和晶体膜中的交换和扩散;
B.
F - 进入 LaF 3 晶格空穴;
C.
OH - 在溶液和晶体膜中的交换和扩散;
D.
F - 在电极表面被氧化。
【单选题】年轻未产妇发生子宫脱垂的最主要原因是
A.
分娩损伤
B.
手术损伤
C.
腹压增加
D.
盆底组织发育不良
E.
盆底组织退行性变
【判断题】Fred W. Smith was born into a poor family and started his business from scratch.
A.
正确
B.
错误
【判断题】As the founder of FedEx, Fred Smith was born in a well-off family andhada happy childhood.
A.
正确
B.
错误
【单选题】多数食物中毒以( )为主要特征。
A.
( A )急性肠胃炎
B.
( B )潜伏期短
C.
( C )突然的集体爆发
D.
( D )上吐下泻
【简答题】In the sentence “Frederick Wallace Smith was born into a wealthy family clan on August 11, 1944 in Mississippi” , the s ignal words of time are ____________ .
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