______：10=21()=______÷20=______%=0.7=()8_爱下问搜题

搜题请搜索小程序“爱下问搜题”

问题解答题

______：10=

21

()

=______÷20=______%=0.7=

()

80

．

答案

7：10=

21

30

=14÷20=70%=0.7=

56

80

；

故答案为：7，30，14，56．

选择题

So absorbed _____ in her work that she didn’t realize I was behind her.

A．did she

B．was she

C．she did

D．she was

填空题

楔形板通常用于_________照射。