一、词汇记忆。英汉互译。带 ★ 为2022版新课标词汇，可以重点积累。
1. ★ 脑 n.
2. ★ drop /drɒp/ v.
3. 营救，救援 n.
4. illusion /ɪˈluːʒ(ə)n/ n.
5. ★ 复习；回顾 v.
6. ★ bank /bæŋk/ n.
7. ★ 微小的 adj.
8. swirl /swɜːl/ v.
9. 重力，引力 n.
10. oxygen /ˈɒksɪdʒən/ n.

1. brain 2.(使)掉落；减少 3. rescue 4.幻觉 5. review 6.银行 7. tiny 8.(使)打旋，(使)旋动 9. gravity 10.氧气

二、词汇运用。根据音标、首字母或中文提示写单词。
1. The water in the cup started to /swɜːl/ when I stirred it with a spoon.
2. It's very cold outside today. The temperature is below f.
3. When the rain falls, water （小滴）form on the leaves.
4. When doing CPR, it's important to push straight down on the （胸部）.
5. The long river is the （边界）between the two cities.
6. If you see a fire, call for help i.
7. People p for the Spring Festival many days early.
8. Let's e phone numbers so we can keep in touch.
9. We learned about the life c of a butterfly in science class.
10. It's a good habit to r what we learned today before going to bed.

1. swirl 根据音标及句子语境“当我用勺子搅拌杯子里的水时，水开始__________。”可知，此处应填swirl，表示“(使)打旋，(使)旋动”。
2. freezing 根据首字母和前一句“今天外面非常冷”可知，此处说的是温度在零下。
3. droplets “小滴”对应droplet，且根据谓语动词form是原形可知，主语应为复数形式。
4. chest “胸部”对应chest，句意：做心肺复苏时，垂直按压胸部很重要。
5. boundary “边界”对应boundary，句意：这条长河是两座城市之间的边界。
6. immediately 根据首字母和句意“如果你看到火灾，要__________求救。”可知，此处需要一个表示“立即”的副词。
7. prepare 根据首字母和句意“人们提前许多天就为春节做准备。”可知，此处要填写表示“准备”的词，且prepare for为固定搭配。
8. exchange 根据首字母和语境，exchange表示“交换”，符合句子逻辑，且Let's后面接动词原形。
9. cycle life cycle是“生命周期”的固定表达，句意：在科学课上我们学习了蝴蝶的生命周期。
10. review 句意：睡觉前复习我们今天所学的内容是个好习惯。review有“复习；回顾”的意思。

一、选择合适的词/词组填空。
1. I can't you clearly because there's too much noise around.(learn/hear)
2. Carefully the water in the kettle before making tea.(heat/boil)
3. There isn't enough for all the toys in your .(room/space)
4. Look! There is a picture the bed.(above/below)
5. Life is ups and downs. Never give up, and just keep moving.(made from/made up of)

1. hear 句意：我听不清楚你说话，因为周围太吵了。hear指听见，符合语境。learn指学习，不符合。
2. boil 句意：在泡茶之前，小心地把壶里的水煮沸。泡茶前通常需要将水煮沸。heat含义比较宽泛。
3. space; room space侧重于空间范围，room通常指房间。句意：你的房间里没有足够空间放所有玩具。
4. above 句意：看！床上方有一幅画。通常画挂在床的上方，而不是在下方。
5. made up of 句意：生活充满了起伏。永不放弃，只管前行。made from通常用于表示某物是由某种材料制成的。made up of通常用于表示某物是由多个部分组成的。

二、同义句改写。
1. Students prepare to take their English exam. Students their English exam.
2. Tome likes playing football. Mike likes playing football too.
Tome likes playing football. Mike.
3. Today we'll find out how we can grow sunflowers.
Today we'll how sunflowers.
4. Beijing is the capital of China. It is a large city.(合并为一句)

1. prepare for 2. So does 3. learn; to grow
4. Beijing, the capital of China, is a large city.