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【单选题】
通常情况下,绝对湿度数值最小的季节出现在:A.
春季
B.
夏季
C.
秋季
D.
冬季
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皮皮学刷刷变学霸
举一反三
【单选题】已知int a，b；下列switch语句中正确的是（）
A.
switch(a){ case a:a++;break; case b:b++;break;}
B.
switch(a+b){ case 1:a++;break; case 2:b++;break;}
C.
switch(a*b){ case a*b:a++;break; case a/b:b++;break;}
D.
switch(a/10+b){ case a+b:a++;break; case a-b:b++;break;}
【单选题】There _____ great changes in our school since 1979. [ ]
A.
have been
B.
were
C.
has been
D.
are
【简答题】3 写出 下列各数的原码、反码和补码,机器数长度为 8 位 。 ( 1 ) 0 ( 4 ) - 19/128 3.4 写出 下列各机器数的二进制真值 X 。 ( 2 ) [X] 补 =1.1001 ( 4 ) [X] 原 =1.1101 ( 6 ) [X] 反 =1.1011 ( 8 ) [X] 移 = 1,1001 3.10 将下列十进制数转换为 IEEE754 单精度浮点数格式: ( 1 )+...
【单选题】Good use___ the natural resources to improve people’s life in this area．
A.
has been made of
B.
has made of
C.
has made
D.
has been made
【单选题】In the past few years, there _____ great changes in my hometown. [ ]
A.
have been
B.
were
C.
has been
D.
was
相关题目：
【单选题】There _____ great changes in our school since 1979. [ ]
A.
have been
B.
were
C.
has been
D.
are