[单项选择]The basic problem of people pressure facing the Saudi authority lies in ______.
A. its surging workforce.
B. its religious values.
C. its private firms.
D. its rebellious youths.

[单项选择]The basic problem of people pressure facing the Saudi authority lies in
A. its surging workforce.
B. its religious values.
C. its private firms.
D. its rebellious youths.

[单项选择]People in the third world countries are now facing a serious problem that ______.
A. infectious diseases are becoming big killers
B. more people are becoming the victim of cancer
C. smallpox and typhoid are spreading widely
D. some middle- and old-aged people are getting sick easily

[单项选择]Before the war broke out, many people ______ in safe places possessions they could not take with them.
A. threw away
B. put away
C. gave away
D. carried away

[判断题]喷射或抛射除锈：以“Sa”表示，可分为Sa1、Sa2、Sa2.5、Sa3四个等级。

[单项选择]The greatest task facing agricultural scientists in this region is the __________ of an adaptable farming system.
A. determination
B. distribution
C. discipline
D. evolution

[单项选择]The biggest difficulty facing historians might be their _______.
A. inability to offer convicting and correct explanations to each historical figure or event
B. lack of evidence for their interpretation
C. obsession with absolute accuracy
D. unwillingness to Doterpret history from different perspectives

[单项选择]What problem is facing both developing and industrial nations
A. How to achieve literacy in their own countries.
B. How the environment can be changed to suit the people.
C. What methods of producing social and economic development can be found.
D. What ways of encouraging literacy as part of national development are possible.

[单项选择]The main task now facing ecologists, environmental activists and conservationists is ______.
A. to prevent pollution by legislation, economic incentives and persuasion
B. to arouse public awareness of the importance of environmental protection
C. to take radical measures to control environmental pollution
D. to improve the quality of life by enforcing environmental standards

[单项选择]

The biggest safety threat facing airlines today may not be a terrorist with a gun, but the man with the portable computer in business class. In the last 15 years, pilots have reported well over 100 incidents that could have been caused by electromagnetic interference. The source of this interference remains unconfirmed, but increasingly, exports are pointing the blame at portable electronic devices such as portable computers, radio and cassette players and mobile telephones.
RTCA, an organization which advises the aviation (航空) industry, has recommended that all airlines ban (禁止) such devices from being used during "critical" stages of flight, particularly take-off and landing. Some experts have gone further, calling for a total ban during all flights. Currently, rules on using these devices are left up to individual airlines. And although some airlines prohibit passengers from using such equipment during take-off and landing, most are reluctant to enforce a tot
A. a new regulation for all airlines
B. the defects of electronic devices
C. a possible cause of aircraft crashes
D. effective safety measures for air flight

[单项选择]Women today are facing a difficult situation which can be best interpreted by the fact that ______.

[单项选择]The main task now facing ecologists, environmental activists and conservationists is ______.
A. to prevent pollution by legislation, economic incentives and persuasion
B. to arouse public awareness of the importance of environmental protection
C. to take radical measures to control environmental pollution
D. to improve the quality of life by enforcing environmental standards

[单项选择]Which is not one of the risks facing tourists
A. Volcanic eruption.
B. Terrorist activities.
C. Underground opposition.
D. Withdrawing cash on ATM.