4. According to the passage, Hitler attempted to
A) changed the pilots biologically to win the war.
B) develop genetic farming for food supply.
C) kill the people he thought of as inferior.
D) encourage the development of genetic weapons for the war.
5. What dose Jeremy Rifkin and Ted Howard/’s statement imply?
A) The commercial applications of genetic engineering are inevitable.
B) American will depend on other countries for biological progress.
C) Americans are proud of their countries for biological progress.
D) The potential application of each new genetic advance should be controlled.
第2篇
Male and Female pilots cause accidents differently
Male pilots flying general aviation。(private)aircraft in the United States are more likely to crash due to inattention or flawed decision．making．while female pilots are more likely to crash from mishandling the aircraft．These are the results of a study by researchers at the Johns Hopkins University Bloomberg School of Public Health．
The researchers found that loss of control on landing or takeoff was the most common
词汇：
inattention／n．疏忽
aviation／n．航空
flawed／adj．有缺陷的
mishandle／v．瞎弄，乱处理
MPH(Master of Public Health)公共卫生硕士
gender／n．性，性别
runou