B.Because the human genome's completion can help them get rid of many diseases.
C.Because they wanted to be better known than others.
D.Because the human genome can provide a lot of chances of work.
答案 B [细节理解题。从文章最后一段的第一句"Once these genes are found and studied,researchers can develop new ways to attack infections(传染),and genetic diseases. "可以看出科学家们完成人类基因组图的目的。]
2.Which country studied the genes most rapidly in the world?
A.Japan. B.Germany.
C.The United States. D.China.
答案 C [细节理解题。由第三段的". . . the leading organization for genetic research is in the United States. . . "可知,答案选C。]
3.Which of the following is NOT true?
A.If the genes can be found,scientists can study many new ways to cure illnesses.
B.The scientists have made great progress in connecting the genes with the cancers.
C.Many medical companies show great interest in drawing the human genome map.
D.The United States began the genes study early in the 19th century.
答案 D [细节理解题。由第三段可知,美国是在1990年,即20世纪末开始绘制人类基因组图的,所以答案选D。]
4.The author suggests that the Human Genome Project can cause ________.
A.the policy makers to feel very worried and careful
B.the scientists to work harder
C.many people to find work easily
D.a lot of companies to produce many new drugs
答案 B [推理判断题。从文章内容可知,人类基因组图的完成将有助于科学家们攻克一系列难关。所以,他们在更努力地探究。]
Ⅱ. 七选五
You can keep many varieties of apples for up to six months if you store them properly. The Red Delicious,Golden Delicious and Jonathan are all excellent candidates for longterm storage. Avoid trying to store early ripening varieties such as the Lodi apple,if possible. __1__