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【判断题】
化学性消化是在消化酶的作用下,饲料呈化学性变化
【判断题】
唾液淀粉酶分解淀粉为麦芽糖是物理性消化
【单选题】
Its an important component of preschool education to help and instruct young children to develop a positive ______.
【单选题】
You ____ business interfering with my affairs.
【单选题】
Whatwereyoudoing ______ therainstormcame?
【单选题】
We looked for a table to sit down, but they were all ____.
【单选题】
It is ____ with the customer not to let the shop
assistants guess what she really likes and wants until
the last moment.
【单选题】
But the Swiss discovered long years ago that
constant warfare brought them ____suffering and
poverty.
【单选题】
Information and opinion gap exercises have to have
some content ___ talking about.
【单选题】
Jane tried to ____ the doorman with money, but she
failed.
【单选题】
He packed an ____ shirt in case he had to stay another day.
【单选题】
I was awfully tired when I got home from work, but a
half hour nap ____ me.