[单项选择]During the last few years, it has been realized that maintenance of programs is more expensive than development, so reading of programs by humans is as important as (67) them.
A. editing
B. writed
C. written
D. writing

[单项选择]During the last few years, it has been realized that maintenance of programs is more expensive than development, so reading of programs by humans is as important as (67) them.
A. editing
B. writed
C. written
D. writing

[单项选择]In the last few years, he has ______ projects with the United Nations to study environmental issues in developing countries.
A. worked on
B. taken in
C. made for
D. set out

[单项选择]The (last) few weeks have been enjoyable．
A. close
B. near
C. past
D. seVeral

[单项选择]

It has been a hundred years since the last big one in California, the 1906 San Francisco earth quake, which helped give (1) to modem earthquake science. A century later, we have a highly successful (2) , called plate tectonics, that explains why 1906-type earthquakes happen--along with why continents drift, mountains rise, and volcanoes (3) the Pacific Rim. Plate tectonics may be one of the (4) triumphs of the human mind, geology’s (5) to biology’s theory of evolution. And yet scientists still can’t say when an earthquake will happen. They can’t even come (6) .
What scientists can do right now is make good maps of fault zones and (7) out which ones are probably due (8) a rupture. And they can make forecasts. A forecast might say that, over a certain number of years, there is a certain (9) of a certain magnitude earthquake in a (10) spot. And that you should fix your house to its
A. response
B. reply
C. retort
D. answer