三位数减去两位数的得数可能是三位数.______.
根据题意,假设这个两位数是99,三位数是999,那么它们的差是:999-99=900;900是三位数,与题意符合.故答案为:√.
根据句意填写正确的单词。
1. I have a black skirt. And this is ________ black skirt.
2. This is Danny. ________ likes to play with his toys.
3. Kim and Steven are my friends. ________ favourite subject is art. They like to draw pictures.
4. We like _ English teacher.
5. Jenny likes sandwiches and milk for lunch.
消防应急标志灯具检测时连续()操作试验机构,观察标志灯具自动应急转换情况。
A.2次
B.3次
C.4次
D.5次