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1、1UnitUnit 4 4 AstronomyAstronomy“ “.品句填词(用所给词的适当形式或根据语境写一个合适的词)1Scientists are not sure about the existenceexistence ( (exist) of water on Mars, so whether humans can live on it isnt proved. 2The puzzledpuzzled ( (puzzle) expression on his face suggested that he was not able to work out the difficul
2、t problem. 3He also said the government must be willing to spend extra money to prevent people fromfrom starving.4The driver lost control of the car on the slippery road and crashed intointo a truck.5Technology and innovation are the building blocks of a globallyglobally ( (global) competitive 21st
3、century economy.6I do believe what children eat is fundamental toto their health, growth and development.7More seriously, it can release harmfulharmful ( (harm) chemicals into the soil and water when dumped, or into the air when burned.8At all times, you should watch out forfor fake websites offerin
4、g downloads in exchange for your credit card number. 9They found the crashed aircraft had been smashed to pieces, killing all 4 aboard, 3 of whomwhom were foreigners.10The festival of this year has been a great success, unlikeunlike ( (like) the year before when it rained nonstop.单句改错(含本单元的词汇和语法)1Sc
5、hoolwork burden will encourage students to develop when it is appropriate, and will be harmful students and useless to education when againsttoit is extreme.2I felt so upset and I was . I didnt move until the young puzzlingpuzzledsecurity man asked me several times. 3The current global imbalance has
6、 been / for decades for existedexistingdeeplyrooted reasons, many of which simply reflect commonsense reality.24At the driving school different people at different ages have the same goal and under the instruction of the coach the trainees took to drive.turnturns5Unless we get more funding well be p
7、revented finishing our fromexperimental programme.6His father continued to encourage him but also made it clear he did thatnot have to play football if he didnt want to. 7There is so much rain on the island that its annual rainfall reaches as as sixty inches.manymuch8. Youll succeed time because you
8、 are always working hard.onin9The use of computers as a medium of communication has given birth a fortonew language phenomenoncyber language. 10. He will come to the conference has excited every one of us; we have Thatbeen looking forward to seeing him for years.课文语法填空At the very beginning the earth
9、 was just a cloud of dust after the “Big Bang”. Then the dust combined into a solid globe 1movingmoving ( (move) around the sun. The earth became so violent 2thatthat it was not clear whether the shape would last or not. The earth exploded loudly with fire and rock. They were 3inin time to produce m
10、any things, 4whichwhich were to make the earths atmosphere. As the earth cooled down, water began to appear on its surface. It allowed the earth 5to_dissolveto_dissolve ( (dissolve) harmful gases. Then life began to develop.The first extremely small plants multiplied and 6filledfilled ( (fill) the f
11、irst oceans and seas with oxygen. This encouraged the later 7developmentdevelopment ( (develop) of early shellfish and fish. Land animals such as insects, reptiles and dinosaurs appeared 8afterafter green plants appeared. Small clever animals spread all over the earth. But they are putting too much carbon dioxide into the atmosphere, which prevents heat 9fromfrom escaping from the earth into space. Whether life will continue on the earth for millions of years 10toto comecome ( (come) will depend on whether this problem can be solved.
