该食糖购销企业套期保值结束后每吨（　）。

A现货价格涨幅大于期货价格涨幅

B现货价格涨幅小于期货价格涨幅

C现货价格涨幅等于期货价格涨幅

D现货价格跌幅不超过期货价格跌幅

A-170

B1700

C170

D-1700

1.[单选题]How does the author evaluate the generalizations of people’s types in Para. 3?

A.Such generalizations help us judge the different characters of people we meet

B.Such generalizations are not inclusive enough to draw a convincing conclusion.

C.Such generalizations prove that nature plays an important role in determining social habits.

D.Such generalizations show that there are mainly two different types of people on the planet.

2.[单选题]What do we know about the generalizations of people’s type?

A.What do we know about the generalizations of people’s type?

B.People who live in mountain areas tend to have a long life.

C.People who live in areas with stable climate tend to be talkative and lively.

D.People who like drinking cow blood tend to be strong and tall.

3.[单选题]The author’s purpose of writing this passage is to______.

A.alert readers to the scarcity of natural resources

B.call for more research on the influence of geographical environment

C.introduce different elements in character cultivation

D.draw more attention to the health condition of mankind

4.[单选题]According to the passage, research into the influence of climate and geography should ____.

A.focus on unknown aspects

B. be pursued on a larger scale

C.be carried out among remote tribes

D.go ahead in depth

5.[单选题]It can be inferred that proper amounts of iodine, fluoride and calcium can_____.

A.benefit people’s physical health

B.influence the quality of water supply

C.help provide breeding places for pests.

D.strengthen a person’s character

A确定现货商品交割品质的权利归属卖方

B确定基差大小的权利归属卖方

C确定具体时点的实际交易价格的权利归属卖方

D确定期货合约交割月份的权利归属卖方

1.[单选题]Some insects disguise like natural objects so as to ______

A.frighten away their enemies

B.avoid being discovered

C.send warning signals

D.look bitter-tasting

2.[单选题]Insects can be found in large amounts in the following places EXCEPT _____.

A.on the mountains with little air

B.in the cold polar areas

C.in the hot desert areas

D.n the open oceans

3.[单选题]Insects protect themselves from chemicals by _______

A.hiding in tiny spaces

B.having a strong shell

C.flying away when necessary

D.changing colors or shapes

4.[单选题]The passage is mainly about ______

A.how insects survive in different places

B.why insects can survive so successfully

C.what insects can do to the environment

D.where insects can be found in quantity

5.[单选题]The passage mentions that insects ______.

A.can be found in any extreme environments

B.have survived longer than any other creatures

C.can be fed on any natural or man-made foods

D.are important for the growth of crops and flowers