题目内容
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Which list of plants does Linda mention in her garden？
A．Tomatoes, beets, egg plant, and squash.
B．Strawberries, green peppers, okra, and tomatillos.
C．Basil, onions, cantaloupe, and banana peppers.
D．Carrots, cucumbers, pumpkins, potatoes.
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更多“Which list of plants does Lind…”相关的问题
Some plan to use the findings to support calls for closing the nuclear reactors at Indian Point(A nuclear power station is U. S. A. ), the plant closest to New York City. But federal officials, some radiation experts and representatives of the nuclear plants and that minute, occasional releases from such plants were much lower than natural radiation levels,
The new statistical study, which is being published in Archives of Environmental Health, was conducted by a group of scientists who for many years have intended to show a link between mortality and illness and low levels of radiation from power plants, bomb tests and other sources.
The study said the infant death rate in communities for two years before the plant shutdowns averaged 8.44 deaths per l, 000 births and, when all the mortality data for two years after the plant shutdowns were combined, the infant mortality rate dropped to 7.01 per l, 000 births. The difference was statistically significant, the authors said, and the drop was greater than the general drop in infant death rates around the country in recent years.
Joseph Mangano, a public health statistician and the national coordinator for the group, said a statistical link does not prove a cause and effect, but points to the need for more work. He said," The list is literally endless. This doesn't mean we've proved anything beyond a shadow of a doubt, but what I will say is we really need to do more follow-up."
The new study was conducted by______.
A．the government
B．radiation experts
C．antinuclear campaigners
D．public health statisticians
Which of the following plants is not mentioned by the speaker？
A．A June plant.
B．A fern.
C．Lilies.
D．A scarlet rose.
Energy from the Sun
Everyone needs and uses energy. If there were no energy,【46】
Most of the energy on this planet comes from the sun, but people do not receive that energy directly. It comes from different sources and in different forms.
Green plants convert the sun's energy to food energy that animals and people use for life. The energy from animals has been used for hundreds of years to operate farm equipment and to pull carts, wagons , and other vehicles.
The sun's energy takes water from rivers, lakes, and oceans and【47】When rain or snow falls on the land some of it flows into rivers and streams. This flowing water can be used to【48】Water can also be converted (更换) to steam, which produces energy to operate machines.
Winds also come from solar energy. Air that has been heated by the sun rises and creates winds. The process of winds has moved ships on the sea, ground grain, and brought water to the earth.
There is also solar energy in wood, oil, and coal. These fuels have been【49】People burn them to produce heat and to create power for machines. Oil and coal are used to produce electrical energy, too. And electricity produces light heat, and sound energy. In addition, electric power operates (操作) many kinds of equipment, tools, and machines, which make work easier.
If you made a list of all the jobs performed by the different kinds of energy, you would fill many pages . The need for power increases every day, and some sources of energy【50】So scientists and technicians are trying to find new ways to produce power.
A. formed over many centuries from plants.
B. returns it to the earth in the form. of rain or snow.
C. are being used up very quickly.
D. there would be no life.
E. produce mechanical energy and electricity.
F. are being produced everyday.
(46)
A.more
B.rather
C.better
D.other
A．Y
B．N
C．NG
Which of the following is TRUE about plants？
A．They have the power of locomotion.
B．They have a wider range of foods than animals.
C．They are very diverse in their external appearance.
D．They are less sensitive than animals.
Which of the following plants can add a tropical touch to a room？
A．Palm.
B．Peace Lily
C．Corn Plant.
D．Janet Craig.
Which of the following statements is NOT true according to the passage？
A．There will be no rubbish after the plants have been built.
B．Recycling plants will be in great need in some big cities.
C．The plants can only process paper and rubber but not steel or copper.
D．We don' t have a very good way of sorting and separating the rubbish.
A．Chlorosis on leaves
B．Change in leaf pigmentation to a dark shade of green
C．Short, stunted appearance of stems
D．Reddish pigmentation on the leaves or stem
Which of the following is TRUE of multinational corporations？
A．All of them have their headquarters in North America.
B．Labor is an important factor in determining the sites of factories to be built.
C．The Japanese have built their plants primarily along the coasts of the U.S.
D．Goods manufactured in local plants are viewed as imports in some countries.
