1、Unit 2 Out of this worldGrammar and usagenouns, pronouns, numerals, infinitives, gerunds, etc.2. To see is to believe. 1. The universe is entirely made up of different kinds of matter.3. Driving a car to Beijing took longer than I expected._1. That Hubble is based in space allows it to see further t
2、han ground-based telescopes, and it allows scientists to learn more about the universe. 2. Whether life on other planets does exist is yet to be proved, but the signs are promising. _It is clear that telescopes are crucial tools for space exploration and that developing the required technology will
3、help astronomers all over the world make exciting discoveries. How much we will learn from the telescopes is merely limited by our imagination.It is used as the formal subjectThe conjunction“that”guides the actual subject clause_ We can use a noun clause as the subject of a sentence. We can use (1)_
4、 to introduce a subject clause when the clause is a statement. We can use (2)_ to introduce a subject clause when the clause is a yes-no question. We can use a question word to introduce a subject clause when the clause is a wh-question. We often use (3)_ as a preparatory subject when a subject clau
5、se is very long. itwhether thatFill in the blanks with proper words (given)1) _ well the policy is working is going to be evaluated by some experts.2) It1) How2) _ is known to us all that the astronomer will come to our school.Fill in the blanks with proper words (given)3) _ mosquitoes need most is
6、blood from man and animals.4) why/that3) What4) It still puzzles us _ the astronaut didnt accept the mission.Fill in the blanks with proper words (given)5) It is mysterious to scientists _ the strange creature comes from. 6) have been exposed5) where6) So far, how the accident happened and who are t
7、o blame _ (expose) by the mass media.Fill in the blanks with proper words (given)7) It was beyond the wildest imagination _ they met in the circumstances.8) why7) that8) It is unknown _ he always bothers me with this kind of rubbish.Fill in the blanks with proper words (given)9) _ she can have a day
8、 off depends on the administration.10) where/how9) Whether10) It is still a problem facing us _ we can find the financial aid to build the telescope.B1 Each sentence below has a mistake. Circle the mistakes and correct them in the blanks.The space mission That the space missiondepend 1 2 3wasdepends
9、 isWhatWhat 4 5will willTbatthatB2 Complete the passage with the correct subject clauses in the box below.1 e 2 b 3 a 4 c1. To revise the usage of subject clauses, watch the micro video: Subject clauses (Optional)It is clear that many exciting things will happen in the development of space explorati
10、on in the future. I think manned space missions to Mars will happen in my lifetime and a permanent base on Mars will also be established. Hopefully, new energy sources will be developed, which will make space flight cheaper and faster. But how soon and how far we advance in developing the required technology to do so depends on the collaboration between the many countries around the world. It is possible that the technology will be available before 2040 and I am looking forward to that.Sample answer:2. Finish off writing B3.
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