[綜合練習(xí)]用括號(hào)內(nèi)動(dòng)詞的正確形式(包括動(dòng)詞-ing形式、過(guò)去分詞及不定式) 完成下面短文。
The Golden Gate Bridge,1. (build)between 1933 and 1937,似(橫跨) the entrance to San Francisco Bay. This spectacular landmark,mainly 2. (design) by Charles Ellis,measures 1.7 miles (2.7 km) long. It is 3. (know) as a symbol of San Francisco. The bridge,4.(attract) tourists from around the world,is visited by about 9 million people yearly.
The designers had the Golden Gate Bridge 5. (paint) in a bright red-orange colour called“International Orange”. The bright colour can be seen even in dense fog.
The observation area,6. (locate) at the northern end of the bridge,offers an 7.(amaze) view of San Francisco,Alcatraz,the East Bay,Angel Island and the Pacific Ocean.
The ferry boats,still 8. (use) today,used to be the only way 9. (cross) the opening of the bay in the early 1900s. Now,the Golden Gate Bridge connects Marin on the north to San Francisco on the south.
Its design,unchanged since its opening,has proved to be strong enough to withstand storms,ocean currents and strong earthquakes.
[綜合練習(xí)]
1. built 2. designed 3. known 4. attracting
5. painted 6. located 7. amazing 8. used 9. to cross
題目來(lái)源:2016年英語(yǔ)周報(bào)高二新課標(biāo) > 第48期 2015-2016學(xué)年高二課標(biāo)
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C
The eventual extinction of the large prehistoric animals has always attracted researchers. However,it is impossible to recreate most of them,either because the fossilized(變成化石的) C>NA is too old (dinosaur) or just not available. But the one exception may be the woolly mammoth,which lived about 8,000 years ago.
Thanks to their relatively recent disappearance and the ice-cold weather they lived in,plenty of well-preserved specimens(標(biāo)本) have been discovered. In the last few years,scientists have been able to piece together the mammar's genetic code(遺傳密碼) using some frozen hair and also recreate its blood,with the help of DNA that was found preserved in the bone. Now,a group of Japanese scientists want to take it one step further and bring the mammoth back to life.
The team of scientists plan to start with a journey to Siberia this summer,to seek out the DNA from a flash-frozen specimen of the mammal. In case they are unable to find one,they will use the tissue of a preserved mammoth that currently sits in a Russian laboratory.
The scientists will join the mammoth s DNA with an empty egg of the mammoth's closest present-day relative — the elephant. Then,by using an electric current,they will trick the egg into growing and dividing. After a few days,the researchers will put it inside a female elephant, which will act as a surrogate mother(代孕母親) .
Then begins the waiting game — for it takes about 600 days,for an elephant or in this case a woolly mammoth baby,to fully develop — that is,if everything goes well and the surrogate mother doesn’t reject the egg.
If luckily we do get a baby mammoth,scientists are not sure if they would produce more,but they are hoping they will be able to study it and answer the age-old question of how they became extinct — were they hunted down by humans or did they die because of climate change?
Will the woolly mammoth come back to life? We have to wait and see.
28. The remains of the woolly mammoth are kept well partly due to .
A. their long hair B. their big size
C. the coldness D. human activity
29. Why do the Japanese scientists plan to go to Siberia?
A. To find suitable DNA.
B. To preserve the specimen.
C. To recreate the mammoth's blood.
D. To seek help from the Russian scientists.
30. The fourth paragraph mainly deals with .
A. the future of the cloned mammoth
B. the process of cloning the mammoth
C. the difficulty the scientists are faced with
D. the relation between the mammoth and the elephant
31. If the scientists’ efforts pay off,we are most likely to.
A. clone a lot of mammoths
B. bring dinosaurs back to life
C. know the effects of climate change
D. find out why the mammoth died out
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