—That's a good idea.
A:I've got the first prize in the English speech contest.
B:I'd like to invite you to my birthday party tomorrow.
C:Shall we go to the farm to pick peaches this weekend?
D:Would you mind opening the window a bit more?
通过学过我们知道,构成物质的微粒子有分子、原子和离子。请你写出一种由原子构成的物质____,用化学方程式表示出该物质的一个化学性质____,写出该物质的一条用途____ 。
计算1-22+18的值是 ____.
填入所缺词语,完成下列短文
Dear Bob,
I have a happy family.I like(1)____ and(2)____ .But I don't like(3)____ .My father likes(4)____ and(5)____ .He doesn't like(6)____ .My mother likes(7)____ ,but she doesn't like(8)____ and(9)____ .And she wants me to drink(10)____ every day.
How about you? Please write to me soon.
Yours,
Alan