Poor diets can lead to such diseases as tickets and scurvy. 查看材料
A.Right
B.Wrong
C.Not mentioned
时间：2023-02-12 13:11:40
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A . The use of Full-Duplex Mode.
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听力原文：Compared to a meat-centered diet, meatless meals can easily supply all the essential nutrients our body requires, and cost only 20% to 30% as much.
(30)
A．A diet with meat only is not enough for our body.
B．A diet with vegetables can sometimes be very costly.
C．Meatless meals are equally nutritious and less expensive.
D．Meatless meals cannot provide all the essential nutrients.
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Factors leading to the crisis included poor regulation, mismanagement' and deception in the industry, and competition from other types of financial firms.
A．cheating
B．pollution
C．depression
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Stomach ulcers can lead to stomach cancer.
A．Right
B．Wrong
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An attractive , well－written resume can lead to an invitation for a job interview. （
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Peanuts are very highly nutritious and are also high in protein（）. In India, where the poor can’t pay for meat or milk, peanuts meal and peanuts milk have been produced. These have been a great help to the poor.
A．味美的
B．有营养的
C．味同嚼蜡的
D．有毒的
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0271The word “critical” in the sentence “This is a critical period as any loss of propulsion, or steering, can lead to collision, grounding, or other damage to the ship.” can be best replaced by _____.
A.dangerous
B.best
C.bad
D.important
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4．There needs to be someone who can act as a champion for the rights of the poor because the system so easily lends itself to abuse.
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Too much metal in the soil is considered pollution. Yet too little metal in a person's diet can cause health problems. An American scientist says the answer to both problems may be plants that take up large amounts of metal in their tissues.
David Salt is an expert on plants at Purdue University in West Lafayette, Indiana. He is working with plants that store large amounts of metals.
In recent years, scientists have shown interest in using such plants to clean up harmful waste materials. Professor Salt says such plants also could be used to improve people's diets or even to create foods that fight cancer.
Humans need a number of metals in their diets, including iron and zinc. These metals are needed in very small amounts, however. That is why they are called micronutrients. The lack of micronutrients is blamed for health problems in many developing countries. Children and pregnant women are mostly affected.
Recently, Mr. Salt announced that he has identified and copied the genes from a kind of plant that stores metals in its tissues. He says his study suggests it may be possible to develop plants that contain minerals needed for good health.
For example, the metal selenium is a strong anti-cancer agent. Some wild plants store selenium naturally. Mr. Salt says foods to fight cancer might be created if genes from these plants could be moved into crop plants.
Locoweed, which is a common plant in the western U.S., stores selenium. Professor Salt says it may be possible to create cancer-fighting foods from it. He and scientists from a company called Unicycle Therapies have copied the gene that causes locoweed to take up selenium from the soil.
Many people take pills to add important minerals or vitamins to their diet. However, Mister Salt notes that most selenium products sold in health food stores are of little use. That is because the human body can only take in and use selenium if it is in the right chemical form.
The scientist says his team would like to develop a vegetable crop high in selenium. He wants to create an anti-cancer product in the foods we already eat.
According to Pro. Salt, plants that take up large amounts of metal in their tissues can be used to ______.
A．clean polluted soil and cure disease like cancer
B．clean up harmful waste materials in soil and improve people's diet
C．produce large number of micronutrients such as iron and zinc
D．create food with important minerals or vitamins
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Failure to meet customer needs can lead to
A．overemphasis on the service format.
B．decreased corporate revenue.
C．misunderstanding of customer satisfaction.
D．customers" complaints.
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body language can sometimes lead to misunderstanding since people of different cultures often have different forms of behavior. for sending the same message or have different _____ of the same signal.
A、agreements
B、effectiveness
C、communication
D、interpretations
