更多"Why are scientists concerned about "的相关试题:
[单项选择]American scientists are very concerned about the ozone because ______.
[单项选择]The scientists, (concerned about) the potential hazards, demanded (the latest) research finding (made) (publicly).
A. concerned about
B. the latest
C. made
D. publicly
[简答题]Environmental scientists are concerned that if industrial pollution was to continue without effective measures, the Earth's surface would warm up to a dangerous degree in the next few centuries.需要修改的单词是哪个?修改为什么?
[单项选择]Why are nutritionists concerned about adding vitamins to olestra
A. It may lead to the over-consumption of vitamins.
B. People may be induced to eat more than is necessary.
C. The function of the intestines may be weakened.
D. It may trigger a new wave of fake food production.
[单项选择]()scientists understand how and why earthquakes happen, forecasts are usually inaccurate.
A. As
B. While
C. For
D. Since
[单项选择]The author is concerned about
A. the fun for amusement.
B. the spending responsibility.
C. the great family destinations.
D. the cost of the admission ticket.
[单项选择]This passage is mainly concerned about
A. the legality of abortion as a social and legal issue.
B. the historical changes of legislature on abortion.
C. the different restrictions on abortion in various countries.
D. the various attitudes towards induced abortion.
[单项选择]What is the passage mainly concerned about
[单项选择]Many local people were deeply concerned about the nuclear leakage, ______ was still kept secret.
A. the cause of that
B. and the cause of which
C. the cause of which
D. which cause