中考化学知识点之铁丝在氧气中燃烧
铁丝在氧气中燃烧(化合反应) 3Fe+2O2=Fe3...
1.be back/in/out 回来/在家/外出
2.be at home/work 在家/上班
3.be good at 擅长
4.be careful of 当心,注意,仔细
5.be covered with 被……覆盖
6.be ready for 为……作好准备
7.be surprised (at) 对……感到惊讶
8.be interested in 对……感兴趣
9.be born 出生
10.be on 在进行,在上演, (灯)亮着
11.be able to do sth. 能够做……
12.be afraid of (to do sth. that…) 害怕(做)……
13.be angry with sb。 生(某人)的气
14.be pleased (with) 对……感到高兴(满意)
15.be famous for 因……而著名
16.be strict in (with) 对事(人)严格要求
17.be from 来自……
18.be hungry/thirsty/tired 饿了/渴了/累了
19.be worried 担心
20.be (well) worth doing (非常)值得被……
21.be covered with 被……覆盖……
22.be in (great) need of (很)需要
23.be in trouble 处于困境中
24.be glad to do sth。 很高兴做……
25.be late for ……迟到
26.be made of (from) 由……制成
27.be satisfied with 对……感到满意
28.be free 空闲的
29.be (ill) in bed 卧病在床
30.be busy doing (with) 忙于做……(忙于……)
31.come back 回来
32.come down 下来
33.come in 进入,进来
34.come on 快点,加油,跟我来,得了
35.come out 出来,出版
36.come out of 从……出来
37.come up 走近,发芽,被提出
38.come from 来自……
39.do one's lessons/homework 做功课/作业
40.do more speaking/reading 多做口头练习/朗读