题目内容
（请给出正确答案）
[主观题]
The reason is still ___________ why certain individuals have bad reactions to a drug or to
a particular dose of a drug, while others don't.
查看答案
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
如果结果不匹配，请 联系老师 获取答案
题目内容
（请给出正确答案）
如果结果不匹配，请 联系老师 获取答案
更多“The reason is still __________…”相关的问题
A．Fewer predators are in the woods.
B．The weather is still warm.
C．The songbirds have finished breeding.
D．Food is still available.
The reason why there still needs improvement in the past view of Archaeopteryx is that
A．fossils of those earliest birds haven"t been discovered yet.
B．the wishbone they studied is just so-called wishbone.
C．there was no study of the role of its brain and some faculties in flight.
D．Archaeopteryx is regarded as the earliest known bird.
A．Y
B．N
C．NG
A．Because the whales hunt too close to the shores.
B．Because the whales failed to detect the sloping coastlines.
C．Because human activities affect whales' lives deeply:
D．The reason is still unknown.
One reason for malaria to be more widespread now is that______.
A．more people have moved to malaria-infected areas
B．mosquitoes have become resistant to pesticides
C．genetically modified mosquitoes still transmit the disease
D．mosquitoes bite as many as 500 million people a year
What is the main reason that we cannot use all of the earth's water？
A．A small amount of water is not for drinking.
B．Most of it has been polluted.
C．About 97 percent of it is seawater.
D．Fresh water is still enough for us.
What was the main reason that Beckham became the top story maker？
A．Beckham always attracts the public attention by his fashionable hair style. and constant appearance in the media.
B．Beckham's transfer fee breaks a new record in the football world.
C．Beckham's trademark free kick and passes are still best-performed for his new club.
D．Beckham controversially leaves the club he has been grown up with and joins one of the other most prestigious clubs in Europe.
According to the passage, the reason why ______ is still unknown to the scientists.
A．smaller animals such as rodents tend to sleep more while larger animals such as giraffes sleep less
B．large animals, even humans would sleep at all even though they have small energy savings
C．humans save merely 120 kilocalories a night (about the equivalent of an apple) by sleeping
D．part of the function of sleep is to cool off the brain______.
Nurse: Take it easy, let us find the reason together.
A.blood pressure
B.sighing
C.framework
D.disable person
What is the main idea of the article？
A．Our internal clock mechanism doesn' t like rest, so keeping our routines is the key to good health.
B．We need longer holidays as we still feel tired after holidays.
C．There is a biological reason why people feel uncomfortable during holidays.
D．Holidays are part of our lives though we don' t actually enjoy them.
