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2019-2020学年广州市第九十七中学高三英语第二次联考试题及答案-
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2019-2020学年广州市第九十七中学高三英语第二次联考试题及答案
第一部分 阅读(共两节,满分40分)
第一节(共15小题;每小题2分,满分30分)
阅读下列短文,从每题所给的A、B、C、D四个选项中选出最佳选项
A
Dive with Big Sharks
Our shark dive adventures make use of hookah systems and shark cages. A hookah system is a system of providing air from the surface to divers down below. Cage divers breathe by using a regulator connected to an air hose.
Is SharkDiving Dangerous?
Yes. You could get sunburnt. You could hit your head on the top bunk getting out of bed. You could fall overboard. As for a shark attack,according to the International Shark Attack File,you are far more likely to be killed by a dog or a deer.
Pricing & Details
One day Cage Diver Adventure S 875
Our expert shark diver team will accompany you to the best viewing areas within the Marine Sanctuary.There,we'll drop our cage and prepare to provide you with a view you'll never forget.
No dive experience is necessary.Our cages sit just below the surface.You'll be able to breathe comfortably from your snorkel or air hose while you move about the cage,taking photos and having fun.
Top Shark Adventure S 375
If you want to see great white sharks but prefer them a little further away,we offer great top-side shark viewing from our observation deck. Help scan the horizon for fins and watch for sharks attacking their prey(猎物).
Important Note
There's No Shark Guarantee
Although we go to the best places at the best time of year, we cannot guarantee you'll see sharks. We've been very successful in past shark seasons and expect another incredible year. However, if we see nosharks, there is no refund.
1.Which of the following isTRUEabout the two adventures? A.Top Shark Adventure makes use of hookah systems.
B.Cage Diver Adventure offers you a view of the bottom of the sea.
C.Cage Diver Adventure is less interesting than the other. D.Top Shark Adventure is suitable for those worried about danger. 2.What is most likely to happen according to the advertisement? A.you fail to achieve your purpose of the trip. B.you are out of breath deep down in the sea. C.you are hurt by a shark while diving there, D.you suffer from lack of skill in shark diving.
3.It can be inferred from the advertisement that shark diving is ________ A.difficult but exciting B.challenging and tiring C.amazing and enjoyable D.expensive but popular
B
Dengue is a very painful illness spread by mosquitoes. In severe cases, dengue can even be deadly. Dengue is a serious disease affecting people in around 120 countries. It can cause high fevers, headaches, and severe pain. It’s caused by a virus spread by bites from mosquitoes. Therefore, dengue is more common in warm areas. Every year, roughly 390 million people get dengue, and as many as 25,000 die from it.
Now scientists seem to have found a way to protect humans from dengue by first protecting mosquitoes. Dengue fever is caused by a virus. Though it may seem strange to think of it this way, the mosquitoes that spread the dengue virus are also infected with it. But the virus doesn’t seem to hurt the mosquitoes.
Wolbachia is a kind of bacteria commonly found in many insects. In some insects, Wolbachia can keep some viruses fromduplicatingthemselves, which is how viruses grow inside a body. Wolbachia isn’t naturally found in mosquitoes. But by infecting these mosquitoes with Wolbachia, scientists can keep the mosquitoes from catching the dengue virus. Even better, the young mosquitoes coming from the eggs of the infected mosquitoes also carry Wolbachia.
Researchers working with the World Mosquito Program (WMP ran a 27-month study in Yogyakarta, Indonesia. They split a 10-square-mile area up into 24 smaller areas. In half of the areas, the scientists did nothing. In the other half, they set out containers of eggs from mosquitoes that had Wolbachia. They did this every two weeks for just 4 to 6 months.
Ten months later, 80% of the mosquitoes in the treated areas carried Wolbachia. The researchers report the number of dengue cases in the treated areas was reduced by 77% and that the number of people needing hospital care for dengue dropped by 86%.
Because the results of the experiment were so good, the WHO has placed Wolbachia-infected mosquito eggs in all parts of Yogyakarta and surrounding areas. The WHO says that within a year, their efforts will protect 2.5 million people against dengue and that their efforts will be turned into a program that can be repeated worldwide. 4. What kind of disease is dengue?
A. It is likely to cause death. B. It causes no pain but fevers.
C. It happens less often in hot areas. D. It hurts both people and mosquitoes. 5. The underlined word “duplicating” in paragraph 3 most probably means “________”. A. worsening the harm of