[单项选择]Because Edgar was convinced of the accuracy of this fact, he ______ his opinion.
A. struck at
B. strove for
C. stuck to
D. stood for

[单项选择]Because Edgar was convinced of the accuracy of this fact, he ______ his opinion.
A. struck at
B. strove for
C. stuck to
D. stood for

[单项选择]Because of his outstanding achievement in sale this year, he has been assured of a new that by his boss.
A. 他今年因销售了一套新楼层而工作出色。
B. 由于他今年销售作得好, 所以被允许住进新房。
C. 由于他今年出色的成就, 他有了一套新住宅。
D. 由于他今年的销售工作出色, 老板奖励他一套新房。

[单项选择]THI细胞分泌
A. IFNγ
B. IL-4
C. IL-5
D. IL-6
E. IL-10

[单项选择]After people have learned that magnets attract things, centuries passed ______ they took note of the fact that magnets sometimes also repel things.
A. before
B. until
C. after
D. since

[单项选择]Months ago we sailed ten thousand miles across this open sea, which _______ the Pacific, and we met no storms.
A. was called
B. is called
C. had been called
D. has been called

[单项选择]Among the results of the research discussed in this article, the most beneficial might be ______.
A. the early identification of potential high blood pressure victims
B. development of diets free of salt
C. an early cure for high blood pressure
D. control of genetic agents that cause high blood pressure

[单项选择]It is economically essential to make sure that this entire shipment of new ears ______ to the port on time.
A. would get
B. get
C. got
D. gets

[单项选择]Why are patients with speech disorders able to think without having adequate control of language
A. They use different concepts.
B. They do not think linguistically.
C. It still remains an unsolved mystery.
D. Thinking is independent of language.

[单项选择]One reason Americans are more likely to travel this year is that.
A. airlines tickets are less expensive
B. more and more Americans have cars
C. the stock market is up
D. travel agents are offering special deals

[单项选择]

Mr. Faugel was convinced that student nervousness had affected their scores; to reduce the anxiety of these students who had already been tested, he gave 22 of them a beta blocker before readministration of the test. Their scores improved significantly. The other 8 students (who did not receive the beta blockers) improved only slightly. Second-time test-takers nationwide had average improvements which were similar to those in Faugel's non-beta blocker group. Beta blockers are prescription drugs which have been around for 25 years. These medications, which interfere with the effects of adrenalin, have been used for heart conditions and for minor stress such as stage fright. Now they are used for test anxiety. These drugs seem to help test-takers who have low scores because of test fright, but not those who do not know the material. Since there can be side effects from these beta blockers, physicians are not ready to prescribe them routinely for all test-takers.

What possi
A. Test anxiety.
B. Z Pain relief.
C. Minor stress.
D. Heart conditions.