更多"Americans eat （） vegetables per per"的相关试题:
[单项选择]Americans eat （ ） vegetables per person today as they did in 1910.
A. more than twice
B. as twice as many
C. twice as many as
D. more than twice as many
[单项选择]Americans eat ______ vegetables per person today as they did in 1910.
A. more than twice many
B. as twice as many
C. as many as twice
D. twice as many
[简答题]Dear Mr. / Ms.,
We have today received with thanks information concerning transactions on the New York Wheat Exchange which will be made full use of by our research department.
We look forward to further cooperation with you.
Yours faithfully
[填空题]not the performance of the person whoever doing the job.
[单项选择]It is easy to lose patience with science today. The questions are pressing: How dangerous is dioxin What about low-level radiation When will that monstrous earthquake strike California And why can’t we predict weather better But the evidence is often described "inconclusive, " forcing scientists to base their points of view almost as much on intuition as on science.
When historians and philosophers of science listen to these questions, some conclude that science may be incapable of solving all these problems any time soon. Many questions seem to defy the scientific method, an approach that works best when it examines straightforward relationships. If s0mething is done to variable A, what happens to variable B Such procedures can, of cuurse, be very difficult in their own ways, but for experiments, they are effective.
With the aid of Newton’s laws of gravitational attraction, for instance, ground controllers can predict the path of a planetary probe—or satellite—with incredibl
A. How the large variety of factors scientists deal with makes absolute scientific accuracy impossible.
B. How Newton solved the problem of accuracy and science.
C. How "hard" science is more important than "soft" science.
D. Why historians do not study astronomy.
[单项选择]
Today marks the 30th anniversary of the Iranian hostage crisis. And President Obama said that he wants to move beyond the past and build a relationship with Iran based on mutual interest and mutual respect. U.S.-Iran relations had been hostile since the day that Islamic students stormed the U.S. embassy in Tehran and held 52 Americans hostage for more than 400 days. Iran’s government holds rally every year to celebrate that event. Today there’s something different though, anti-government protesters are also on the streets. We are also getting some reports of clashes with those police. No word about any injury yet.
How many hostages did Islamic students hold（ ）.
A. 400.
B. 52.
C. 30.
D. 100.
