[单项选择]The Constitution's {{U}}vague{{/U}} nature has given it the flexibility to be adapted when circumstances change.
A. imprecise
B. concise
C. unpolished
D. elementary

[单项选择]The Constitution's {{U}}vague{{/U}} nature has given it the flexibility to be adapted when circumstances change.
A. imprecise
B. concise
C. unpolished
D. elementary

[单项选择]The concentration of populations in cities has given ______ to many problems of housing, education, and medical services.
A. rise
B. reason
C. result
D. response

[单项选择]There are means by which the constitution has been ______ over so long a time to the needs of a changing society.
A. altered
B. changed
C. adapted
D. revised

[单项选择]Being closer to the nature has become a favorite __________ for the increasing number of people.


A. bulletin
B. coincidence
C. pastime
D. maneuver

[单项选择]VAGUE:


A. extremely harmonized
B. fortunate
C. mobile
D. almost ideal
E. (E) distinct

[单项选择]China has established three (nature reserves) to protect (the rare species), covering (a total of) more than 600,000 sq km, an area (40 times of the size) of Beijing.
A. nature reserves
B. the rare species
C. a total of
D. 40 times of the size

[单项选择]The study has posed a question about this nature.
A. supported
B. cancelled
C. aroused
D. raised

[单项选择]As she has a kindly, outgoing nature, she is a ______ hostess and has a wide circle of very good friends.
A. soberminded
B. stringent
C. superb
D. assiduous

[单项选择]

Text 4
Mounting financial and legal woes are giving Merck a prescription-strength headache. With Chief Executive Officer Ray Gilmartin testifying on Capitol Hill about what Merck knew about Vioxx and when, it is easy to overlook the drug giant’s ongoing efforts to treat and cure disease.
Before its stock price sagged 40 percent and both litigators and regulators began circling overhead, Merck invited several journalists to its 415-acre research and development center 30 miles from Philadelphia. As other pharmaceutical investigators can attest, Merck’s 10,000 scientists and support personnel here help explain why new drugs often cost so much. Standing in the middle of his ＄ 4 million lab, Dr. Graham Smith points to an LCMS Mass Spectrometer that atomizes test compounds and evaluates them for healing properties.
"Of the 1,200 molecules tested here last year," Dr. Smith says, "eight went on to the next step. And not all of th
A. How to Make New Drugs.
B. The Quickest Way to Test New Drugs.
C. Why New Drugs Cost so Much.
D. Criticism of Expensive New Drugs.