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【单选题】
够把细胞中的有机物分解，同时释放能量供给细胞利用的结构是（）A.
液泡
B.
线粒体
C.
叶绿体
D.
细胞核
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举一反三
【简答题】The pupils (went towards) the door as soon as they heard the bell ring.
【单选题】The following statements are consistent with Dr. Myrskylas view about demographic transition EXCEPT that______.
A.
fertility rates in Canada don't rise because of the lack of female-friendly employment policies
B.
some countries experience another transition; fertility rate rises as they become more developed
C.
the rising female employment does not always result in reduced reproductive output
D.
HDI is an important indicator for a country's level of development
【单选题】Last Sunday, a group of pupils talked happily __a loud voice as they went to the countryside bike.
A.
by; by
B.
in; on
C.
in; by
D.
at, by
【单选题】以下关于存储过程的特点,描述错误的是
A.
由于存储过程具有良好的封装性,所以当客户端从远程调用服务器端的存储过程时,会增加网络的负载
B.
存储过程可用流程控制语句编写,可进行复杂的判断和一些较复杂的运算
C.
存储过程执行性能高
D.
使用存储过程可以在一定程度上保证数据库的安全性
【简答题】The pupils went toward the door as soon as they heard the bell ring.
【简答题】The pupils went toward the door as soon as they hear the bell ring.
【单选题】There are varieties of programs in the TV station to ________ many different types of interests and tastes among the public.
A.
attend to
B.
appeal to
C.
adjust to
D.
adapt to
【单选题】There are varieties of programs in the TV station to ________ many different types of interests and tastes among the public.
A.
adapt to
B.
attend to
C.
adjust to
D.
appeal to
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