A The author wants to tell us that flies prefer honey to vinegar.
B The author wants to prove that encouragement is always a better strategy than criticism when it comes to charity.
C The English saying expresses the main theme of the passage.
D The author wants to criticize those billionaires who are not willing to give away their fortunes for being miserly and not caring about the poor and the less fortunate.
( )65.Which phrase in the following can be used to take the place of the underlined word “criticize”in the last paragragh.
A show their respect to
B have bad comments on
C show their thanks to
D have good comments on
C
Some scientists say that animals in the oceans are increasingly threatened by noise pollution caused by human beings.
The noise that affects sea creatures comes from a number of human activities. It is caused mainly by industrial underwater explosions, ocean drilling, and ship engines. Such noises are added to natural sounds. These sounds include the breaking of ice fields, underwater earthquakes, and sounds made by animals themselves.
Decibels (分贝) measured in water are different from those measured on land. A noise of one hundred and twenty decibels on land causes pain to human ears. In water, a decibel level of one hundred and ninety-five would have the same effect.
Some scientists have proposed setting a noise limit of one hundred and twenty decibels in oceans. They have observed that noises at that level can frighten and confuse whales.
A team of American and Canadian scientists discovered that louder noises can seriously injure some animals. The research team found that powerful underwater explosions were causing whales in the area to lose their hearing. This seriously affected the whales' ability to exchange information and find their way. Some of the whales even died. The explosions had caused their ears to bleed and become infected.
Many researchers whose work depends on ocean sounds are against a limit of one hundred and twenty decibels. They say such a limit would mean an end to important industrial and scientific research.
Scientists do not know how much and what kinds of noises are harmful to ocean animals. However, many scientists suspect that noise is a greater danger than they believed. They want to prevent noises from harming creatures in the ocean.
66. According to the passage, which of the following is increasingly dangerous to sea creatures?
A. The man-made noises. B. The noises made by themselves.
C. The sound of earthquakes. D. The sound of the ice-breaking.
67. Which of the following is discussed in the third paragraph?
A. Different places with different types of noises.
B. The very human ears sensitive to all types of noises.
C. The same noise measured differently on land and in the ocean.
D. The ocean animals' reaction to noises.
68. As to the influence of noises on whales, which of the following statements is true?
A. They are deaf to noises.
B. Noises at a certain level may hurt them.
C. They are easily confused by noises.
D. Noises will limit their ability to reproduce.
69. We can know from the passage that many researchers think that the noise limit of one hundred twenty decibels would _____.
A. prevent them from doing their research work
B. benefit them a lot in their research work
C. do good to their health
D. increase the industrial output
70. According to the passage, what will scientists most probably do in the future?
A. They will try their best to decrease noise.
B. They will work hard to cut down noise pollution.
C. They will study the effect of different noises.
D. They will protect animals from harmful noises.
PART FOUR WRITING
SECTION A
Directions: Read the following passage. Complete the diagram/Fill in the numbered blanks by using the information for the passage. Write NOT MORE THAN 3 WORDS for each answer.
Lead poisoning (铅中毒)happens when lead is present in high levels in the blood of a person. It is one of the most common medical problems found in children. And it’s important to recognize the presence of lead in children’s bodies because lead is very harmful.
Children often go around and put things in their mouths like paint peelings. This is one of the main causes of lead poisoning. It has also been found that children born in poor families have higher chances of getting exposed to lead.
Some of the common symptoms of lead poisoning in children are headaches, stomach pains, hair loss, muscle weakness, and weight loss, etc.
Lead poisoning can have bad effects and can lead to heart diseases, kidney diseases and neurological(神经系统的)problems. It can also result in mental dullness and a low I . Q. level. There have been cases where lead poisoning proved to be terminal for children.
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