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【单选题】
设变量a是实型,b是双精度型,c是整型,则表达式2+‘c’+b*a值的数据类型是()
A.
float
B.
double
C.
int
D.
不确定
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参考答案:
举一反三
【单选题】-I won't come to the party unless Sue ________, too. -You mean if Sue comes you'll come?
A.
will invite
B.
invites
C.
invited
D.
is invited
【单选题】---I won't come to the party unless Sue ______ , too. ---You mean if Sue comes you'll come?
A.
will be invited
B.
is invited
C.
will invite
D.
invited
【单选题】I won't come to the party unless Sue too.
A.
invites
B.
is invited
C.
invited
【单选题】当材料的润湿角( ),该材料称为憎水性材料。
A.
≤90°
B.
≥90°
C.
﹤ 90°
D.
﹥ 90°
【单选题】I won't come to the party _____ my best friend _____. [     ]
A.
if, will be invited
B.
if, is invited
C.
unless, is invited
D.
unless, will be invited
【单选题】I won't come to the party unless Peter ______.
A.
invites
B.
is invited
C.
will invite
【单选题】— Will you come to the dinner party? — I won't come unless Jenny _____. [     ]
A.
will be invited
B.
be invited
C.
is invited
【单选题】— I won't come to the party unless Tom , too. — You mean if Tom comes, you'll come. [     ]
A.
will invite
B.
invites
C.
invited
D.
is invited
【简答题】已知函数 (1)求不等式 的解集; (2)若关于x的不等式 的解集非空,求实数 的取值范围.
【单选题】I won't come to the party unless you ______, too. [     ]
A.
will invite
B.
invites
C.
invited
D.
are invited
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