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【判断题】
老年运动系统出现的主要变化是脊柱纤维弹性变小，肌肉萎缩，身高变矮，甚至出现驼背现象( )A.
正确
B.
错误
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举一反三
【单选题】______when China had to depend on western countries for advanced technology.
A.
Gone forever are the days
B.
Forever gone are the days
C.
Gone forever the days are
D.
Forever gone the days are
【简答题】In some western countries, it is believed that a person is in great er of illness when he sneezes (打喷嚏). Therefore, people will express wishes when they hear others sneeze. The person who sneezed ...
【单选题】By the 1820's in the United States, when steamboats were common on western waters, these boats were mostly powered by engines built in the West (Pittsburgh, Cincinnati, or Louisville), and of a distin...
A.
on
B.
by
C.
for
D.
in
【多选题】When we say wetsern civilization, we understand "western" to be
A.
Western Europe
B.
Mesopotamian and Egyptian culture in antiquity
C.
Ancient Greece and Rome
D.
As much an idea as a place
【单选题】对于语句 COUNT EQU 256,下列四种叙述正确的是( )。
A.
COUNT是变量
B.
COUNT占用一个字节存储单元
C.
COUNT是符号常量
D.
COUNT占用二个字节存储单元
【单选题】7-4、算法的三大控制结构的共同特点是_____________。
A.
不能嵌套使用
B.
只能用来写简单的程序
C.
有多个入口和多个出口
D.
只有一个入口和一个出口
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