问题
选择题
|
答案
×（-2）+（-1 2
）×21 2
=-1-1
=-2．
故选A．
搜题请搜索小程序“爱下问搜题”
|
×（-2）+（-1 2
）×21 2
=-1-1
=-2．
故选A．
| 选词填空。 | |
B: No, but (但是) I think it's 2. _____ your pencil case. A: No, it 3._____ here. B: Look, 4._____ in the pencil case? A: Let (让)me 5._____. Ah,it is hlue. It is Bob's. B: And what color is yours? A: It's red. B: Is the 6._____ under (在……下面) the book yours? A: Yes,it is B: You must (必须) look after (照料) it. A: 7._____ you. |