问题 选择题

下列说法中正确的是(  )

A.正数和负数统称有理数

B.零是最小的有理数

C.互为相反数的两数之和为零

D.绝对值相等的两数相等

答案

A、整数和分数统称有理数,而有理数包括正有理数,0和负有理数,故本选项错误;

B、负数都小于0,没有最小的有理数,故本选项错误;

C、互为相反数的两数之和为零,故本选项正确;

D、绝对值相等的两数相等或者互为相反数,故本选项错误.

故选C.

阅读理解

For thousands of years, man has enjoyed the taste of apples. Apples, which are about 85 percent water, grow almost everywhere in the world but the hottest and coldest areas (地区). Among the leading countries in apple production are China, France and the United States.

There are various kinds of apples, but a very few make up the majority of those grown for sale. The three most common kinds grown in the United States are Delicious, golden Delicious, and McIntosh.

 Apples are different in colour, size, and taste. The colour of the skin may be red, green, or yellow. They have various sizes, with Delicious apples being among the largest. The taste may be sweet or tart (酸的). Generally, sweet apples are eaten fresh while tart apples are used to make applesauce (苹果酱).

 Apple trees may grow as tall as twelve metres. They do best in areas that have very cold winters. Although no fruit is yielded during the winter, this cold period is good for the tree.

小题1:It can be learned from the text that Delicious apples are _______________

A.grown in France.

B.sold everywhere.

C.very big.      

D.quite sweet.小题2:Cold winter weather is good for _______________

A.the growth of apple trees.

B.producing large apples.

C.improving the taste of apples.

D.the increase of water in apples.小题3:China, France and the United States are considered to _______________

A.be large producers of apples.

B.be large producers of applesauce.

C.have the longest history in apple production.

D.have the coldest winter among apple producing countries.小题4:The word yielded in the last sentence means _______________

A.improved.

B.increased.

C.produced. 

D.sold.

填空题