【单选题】Passage 3 The United States is on the verge of losing its leading place in the world's technology. So says more than one study in recent years. One of the reasons for this decline is the parallel decl...
A.
a. the number of PH.D. degree holders is declining
B.
b. the number of scientists and engineers is decreasing
C.
c. the number of 22-year-ilds is declining
D.
d. scientists and engineers are not employed
【单选题】The author cites the British example in order to______
A.
show that the problem of drank driving is worse in Britain than in the U.S.
B.
prove that stricter laws against drinking drivers would reduce traffic deaths
C.
prove that a slight increase in the number of arrests of drank drivers will not deter drunk driving
D.
suggest that taxation of alcohol consumption may be more effective than criminal laws
【多选题】有关报表输出功能叙述正确的有______。
【单选题】Some scholars have come ______ a new solution to the problem of population control.
【简答题】A.Its share of computer market has increased faster than Dell. B.H-P now holds the fifty percent of the market. C.It remains the first place of computer printers. D.It is now the largest comput...
【简答题】What impact has customer feedback had on Dell 's business?
【单选题】It can be seen from the passage that the problem of resource conservation in agriculture ______.
A.
has been solved in the U.S.
B.
has not yet been paid any attention to
C.
is being seriously and effectively dealt with
D.
will soon be solved by using more capital and land
【简答题】Use more formal alternatives to the underlined words. Make any necessary grammatical changes. The book is mainly concerned with the problem of policing the internet. ( ) Almost every sc...