[简答题]It is time the authorities concerned _________________________ (采取适当措施来解决交通问题).

[简答题]It is time the authorities concerned ______ (采取适当措施来解决交通问题).

[填空题]It is time the authorities concerned ______(采取适当措施来解决交通问题).

[简答题]It is time that the authorities concerned______________________ (采取适当的措施来解决交通问题).

[简答题]It is time the authorities concerned _________________________ (采取适当措施来解决交通问题).

[单项选择]

What was Tiensuu concerned about
A. Saving the forests in his homeland,
B. Persuading grownups to protect forests.
C. Planting trees in Latin America.
D. Preventing destruction of rain forests.

[单项选择]Why is the man concerned
A. He cannot find the bus stop.
B. The bus is behind schedule.
C. The mall is not open yet.
D. He woke up late.

[单项选择]Authorities in California required drivers to use their headlights on a certain road during the daytime as well as at night and found that annual accident rates on the road fell 15 percent from the previous level. They concluded that applying the daytime rule statewide would lead to a similar reduction in accidents.
Which of the following, if true, most strengthens the authorities’ argument
A. Because an alternate route became available, the volume of traffic on the test road decreased during the test period.
B. Drivers were informed of the requirement to use their headlights on the test road by means of a series of three conspicuous signs in each direction of travel.
C. Under certain conditions, among them fog and heavy rain, most drivers in California already use their headlights during the daytime.
D. Full-scale application of the daytime rule would cause headlight bulbs to burn out sooner than they currently do and thus to require more frequent replacement.
E. (E) The test road was selected to include a great variety of the sorts of road conditions that drivers in California are likely to encounter.

[简答题]The Chinese authorities’ comprehensive efforts to improve financial supervision started with the introduction of the stabilization and adjustment program in 1993.

[单项选择]What financial incentive did the local authorities offer the Centre
A. a rent-free period
B. cheap land for sale
C. reduced business taxes

[单项选择]The author is primarily concerned with
A. disproving the view that bipedalism alone can account for the human brain’s evolution
B. describing a relationship between the acquisition of an improved diet and the development of the human brain
C. contrasting the characteristics of Homo and his primate ancestors
D. analyzing the evolutionary basis for the development of the modern human diet
E. demonstrating the importance of brain growth in developing human social behavior, foraging tactics, and better diet

[单项选择]The passage is chiefly concerned with
A. offering an explanation of the process that causes a phenomenon, and a counter-explanation
B. demonstrating how two processes act in symbiotic coordination in causing a phenomenon
C. establishing how one process causes a phenomenon which is resisted by a second process
D. explaining two separate processes which cause a mostly identical phenomenon
E. outlining the essential differences between two distinct phenomenon that issue from a single cause