论述土壤与环境的关系

题型:问答题 论述题

问题:

论述土壤与环境的关系

考点:地理学土壤土壤题库
题型:问答题 论述题

阅读理解。

     Most people may not think that there are any problems with watermelons (西瓜), but some Japanese

sellers do. There is often wasted space when they store (贮存) watermelons, because round watermelons

do not sit nicely on shelves. So some clever farmers have solved the watermelon problem. They make their

watermelons grow in square glass boxes so the watermelons become square. The only problem now is the

price. The square watermelons cost about 80 dollars each.

     Many people know the saying "Roses are red, violets are blue, sugar is sweet and so are you". Well, today

the poem needs to change to "Roses are red, roses are blue"! Australian scientists have just recently discovered

that when they put a chemical from a blue flower into a rose, they can create a nearly 100% blue rose. Some

of science's inventions are beautiful, not just useful!

     Since the mid-1990s, many Chinese farmers have had amazing rice harvests. For many years Chinese

scientists have been working on developing new kinds of stronger rice and now they have produced a new

kind, called super rice. Super rice not only can protect itself against insects (昆虫) and diseases, but it also

produces more than any other kind of rice. Today farmers can grow almost one and a half times more rice

than they could grow in the past.

     Doctors might be able to use vegetables to fight cancer now. US scientists have discovered a way to put

a chemical into tomato plants while they are growing. When cancer patients eat the tomatoes, the tomatoes

will fight the cancer in their bodies. These cancer-fighting vegetables are not yet for sale, because scientists

have not finished testing them. If study finds no problems with the tomatoes, then patients can begin to use

this easy and delicious new treatment.

1. The square watermelons look like ____________.

A. B. C. D.

2. __________ find a way to make blue roses.

A. Chinese scientists

B. Australian scientists

C. American scientists

D. Japanese farmers

3. Which of the following is true?

 A. Super rice can keep itself from insects.

B. Blue roses are more beautiful than red ones.

C. The tomatoes can fight many kinds of diseases.

D. The square watermelons cost less than ordinary ones.

4. The main idea of this passage is ____________.

A. how scientists discover new plants

B. how science makes plants produce more

C. how science has changed plants and people's lives

D. how technology makes our world more beautiful

题型:问答题 论述题

下列哪项属于保险经纪人制定保险方案的要求?()

A.使客户获得最大的保险保障,也要尽量节约保费支出

B.使客户以最低的保费支出获得最大的保险收益

C.使客户以一定的保费支出获得一定的保险保障

D.使客户获得最大的保险保障,但只支付少量的保费

题型:问答题 论述题

影响X线衰减的主要因素,以下哪项不是

A.X线的能量

B.吸收物质的原子序数

C.物质密度

D.每克物质的原子序数

E.吸收物质的温度

题型:问答题 论述题

优质汽酒的特点是酒液色泽正、酒香浓爽、(),开瓶时汽足泡多。

题型:问答题 论述题

关于承载建立的描述错误的是()

A.默认承载建立类似于一次PDP激活

B.专有承载建立类似于二次PDP激活

C.默认承载一定是Non-GBR承载

D.专有承载一定是GBR承载

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