The author is most concerned with the possibility that after a few decades__________．
The past decade has witnessed an enormous worldwide political, economic and cultural（）
The country has（）too many wars in the past few decades; its people are longing for peace so much.
In the past few years, traffic problems (become) ________ more and more serious.
7.The extraordinary Mexican()has delivered millions of illegal immigrants to the United States over the past 30 years.
Over the past 5 decades, the proportion of DM-related cardiovascular diseases has been on the rise, ____________. (警示我们要加大努力去预防糖尿病)
在过去的20年中，生活在绝对贫穷中的农村女性上涨了：Over the past two decades, the number of rural women worldwide living in absolute poverty rose by nearly:
The past decade has seengreat economic(develop) _____ in this country.
This is the question about which they have had so much discussion in the past few weeks
In the past decade there has been a big 查看材料
Why does the professor mention the size of the Nightcap Oak population over the last few hundred years？
If only I______hard in the past few months! But I didnt work hard enough and failed the maths examination.
After a shaky start, the Martian flotilla that has arrived over the past few weeks is getting down to business. Two of the five craft in it seem to be working perfectly. Two are lost. And a fifth is sick, but undergoing treatment.
We are glad that in the past few years,by joint efforts,have been greatly promoted both business and friendship.()
（)changed the way a company might carry out a marketing strategy over the past 10 years.
AID is said _________ the number-one killer of both men and women over the past few years in that region.
The effect of the people in dangerous mask being scolded has become less serious over the past two years.
The miracle silicon chip represents a development in the technology of mankind that over the past few years has acquired the force and significance associated with the development of hand tools or the discovery of the steam engine. Just as the Industrial Revolution took over an immense range of tasks from men's muscles and enormously expanded productivity, so the microcomputer is rapidly assuming huge burdens of tedious work from the human brain and thereby expanding the mind's capacities in ways that man has only begun to grasp. With the chip, remarkable achievements of memory and execution become possible in everything from farms to banks to corporate offices.
When most people refer to multimedia, they generally mean the combination of two or more continuous media, usually with some user(115). In practice, the two media are normally audio and video, this is,(116)plus moving(117).It should be' obvious by now that transmitting multimedia material in uncompressed form. is completely out of(118). The only hope is that massive compression is possible. Fortunately, a large body of research over the past few decades has led to many compression techniques and algorithms that make multimedia transmission(119).
Working hours in the United States ____________over the past 20 years.
For the United States, empirical studies indicate that over the past two decades the cost of international transportation relative to the value of U.S. imports has:
请阅读Passage 1。完成第小题。Passage 1African elephants have been slaughtered at alarming rate over the past decade, largely because they are the primary source of the worlds ivory. Their population has been dw
But over the past decade, graffiti has all but disappeared from Britain's cities.（
The changes our city ______ in the past few years are little short of miracles.
