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问题
填空题
已知球的半径为3,则该球的表面积为______.
答案
根据球的表面积公式可得S=4π×3
2
=36π
故答案为:36π
改错题
你能找出下列句子中的错误吗?选出来并改一改。
( ) 1.
What's
day
is
it today?
A B C
( ) 2.
Her
sister
teach
math
.
A B C
( ) 3.
What
do
you have
in Mondays
?
A B C
( ) 4. She
have
a
pair
of
shoes
.
A B C
( ) 5.
Did
you
went
to a park
yesterday
?
A B C
( ) 6. There
are
some
water
in the cup.
A B C
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________________
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________________
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多项选择题
道德品质的实践基础是()。
A.道德行为
B.道德理念
C.道德认识
D.道德习惯
查看答案