下列命题中,正确的是[ ]
A.倒数等于本身的数只有1
B.平方等于本身的数有+1,0,﹣1
C.相反数等于本身的数只有0
D.绝对值等于本身的数只有0和1
答案:C
句型转换。
1. I look nice in blue. (同义句)
Blue looks nice _____ _____.
2. Sam enjoys playing football . (划线提问)
_____ does Sam enjoy _____?
3. What is Kate doing now? ( 用often改写句子)
What _____ Kate often _____?
4. There are three bottles of water in the fridge. (划线提问)
______ _____ water is there in the fridge?
5. My grandparents give me a new bag as a birthday present. (划线提问)
_____ _____ you a new bag as a birthday present?
晚婚作为一种导向性规定,只能鼓励提倡,不得()。