Step 4. Present some pictures and explain them to students.

Step 5. Practice. Ask students to fill in the blanks of Part C on Page 7.

　Suggested answers:

　1. astronaut 2. space 3. space exploration 4. space shuttle 5. rockets

　6. launched 7. space station 8. space walk 9. spacesuit

Step 6. Ask students to go over "The Sun's Family" they learned in junior middle schools.

　The scientist is showing the students a picture of solar system.

　Ask students to write the number of each planet in the correct box.

　Suggested answers:

　5. Jupiter 1. Mercury 4. Mars 8. Neptune 9. Pluto 2. Venus 6. Saturn 7. Uranus

Step 7. Pair work.

　Ask students to make up a new dialogue about the space exploration in China.

　And then act it out in pairs.

Step 8.Language points.

　1. launch vt."发射", "下水"

　Another man-made satellite was launched last week.

　The ship called "Titanic" was launched in 1912.

　2. unmanned"无人的", "无人操纵的", "自动的"。反义词为manned

　3. so far"到目前为止", 作状语, 常用于现在完成时。

　This is the best film I have so far seen.

　So far(Till now)I have learned 2ooo words.

　4. dream 名词或动词

　He dreamed a sweet dream.

　I dream of becoming a scientist in the future.

　5.carry out "实施", "执行", "进行"

　It is impossible for the plan to be carried out.

　They are carrying out an experiment now.

　The police are carrying out an investigation.

　6. come true /realize " 实现" 前者为不及物动词短语，后者为及物动词。

My dream came true at last.