单选题 Human beings have eaten apples for millions of years. Scientists agree that 85 percent of apples is water and they can grow in almost everywhere except the hottest and the coldest places. As is known to all, China and the United States are the two major countries in producing apples.
There are a great variety of apples. Surprisingly, the majority of apples are for sale without any processing. Various sorts of apples are grown in the US, among which Delicious, Golden Delicious, and Mclntosh are the most common ones.
Apples are different from each other in color, taste and size. The color of the skin might be green, red or yellow. They have a wide range of sizes, among which Delicious apples are the largest. The taste might be divided into two categories: sweet or sour (酸的) . Generally speaking, sweet apples are eaten while sour apples are utilized to make applesauce (苹果酱).
Apple trees may grow to thirteen meters, They grow best in those areas where winters are severely cold. Winter is beneficial to the tree, though no fruit can be yielded during this cold period.

单选题 It can be learned that Golden Delicious apples are ______.
A. grown in America
B. sold everywhere
C. the biggest among all kinds of apples
D. very sour
【正确答案】 A
【答案解析】[解析] 本题为细节题。从题中找到关键词Golden Delicious,然后再从文章中找到关于Delicious的句子“Various sorts of apples are grown in the US, among which Delicious, Golden Delicious”即可选出正确答案A。
单选题 Cold winter weather is beneficial to ______.
A. producing large apples
B. improving the taste of apples
C. the growth of apple trees
D. increasing the water in apples
【正确答案】 C
【答案解析】[解析] 本题为推断题。从文章中只能找到关于冬天的好处,提到了tree,看选项只有C中有关键词tree。
单选题 China and the United States are considered to ______.
A. be main producers of apples
B. be main producers of applesauce
C. have the longest history in producing apples
D. have the coldest weather among apple producing countries
【正确答案】 A
【答案解析】[解析] 本题为细节题。在文章第一段的最后一句提到了中国和美国是生产苹果的主要产地,而且泛指苹果产地,而B项仅指酸苹果产地,B项应排除,C项和D项不符合题意,故选A。
单选题 In the last sentence, the underlined word "yielded" means "______".
A. produced B. grown C. improved D. sold
【正确答案】 A
【答案解析】[解析] 本题为释义题。首先看到这是被动句,在冬天不产水果,根据常识,结合选项后选A。