十大古典名曲
1、
The passage warns of which of the following dangers?
A.Companies in the United States may receive no protection from imports unless they actively ek protection from import competition.
B.Companies that ek legal protection from import competition may incur legal costs that far exceed any possible gain.
兵闻拙速C.Companies that are United States-owned but operate internationally may not be eligible for protection from import competition under the laws of the countries in which their plants operate.
D.Companies that are not United States-owned may ek legal protection from import competition under United States import relief laws.
E.Companies in the United States that import raw materials may have to pay duties on tho materials.
2、
Which is the following statements about the first two definitions of ethnicity discusd in the first paragraph is supported by the passage?
A.One is supported primarily by sociologists, and the other is favored by members of ethnic groups.
B.One emphasizes the political aspects of ethnicity, and the other focus on the economic aspects.
C.One is the result of analysis of United States populations, and the other is the result of analysis of European populations.
D.One focus more on the ancestral components of ethnicity than does the other.
E.One focus more on immigrant groups than does the other.
3、
The third paragraph plays what role in the passage?
A.It summarizes all the points expresd in the first two paragraphs.
B.It rais new arguments that expand on tho previously expresd.
C.It suggests a possible area for uful rearch in the future.
D.It rejects the arguments expresd in the first paragraph.
E.It provides concrete evidence against arguments expresd in the cond paragraph.
4、Since 1990 the percentage of bacterial sinus infections in Aqadestan that are resistant to the antibiotic perxicillin has incread substantially. Bacteria can quickly develop resistance to an antibiotic when it is prescribed indiscriminately or when patients fail to take it as prescribed. Since perxicillin has not been indiscriminately prescribed, health officials hypothesize that the increa in perxicillin-resistant sinus infections is largely due to patients' failure to take this medication as prescribed. Which of the following, if true of Aqadestan, provides most support for the health officials' hypothesis?
A.Resistance to veral other commonly prescribed antibiotics has not incread
since 1990 in Aqadestan.
B.A large number of Aqadestanis never ek medical help
when they have a sinus infection.
春晓的诗C.When it first became available, perxicillin
was much more effective in treating bacterial sinus infections than any other
antibiotic ud for such infections at the time.
D.Many patients who take
perxicillin experience vere side effects within the first few days of their
prescribed regimen.
E.Aqadestani health clinics provide antibiotics to their
patients at cost.
5、When
viewed from the window of a speeding train, the speed with which nearby objects
饶恕的近义词
move ems faster than that of more distant objects.
A.the speed with which nearby objects move ems faster than that of
B.the speed that nearby objects move ems faster than for
C.the speed of nearby objects ems faster than
D.nearby objects’ speeds em to be faster than tho of
E.nearby objects em to move at a faster speed than do
6、Rats injected with morphine exhibit decread activity of the immune system, the bodily system that fights off infections. The same rats exhibited heightened blood level
s of corticosteroids, chemicals creted by the adrenal glands. Since corticosteroids can interfere with immune-system activity, scientists hypothesized that the way morphine reduces immune respons in rats is by stimulating the adrenal glands to crete additional corticosteroids into the bloodstream. Which of the following experiments would yield the most uful results for evaluating the scientists' hypothesis?
A.Injecting morphine into
rats that already have heightened blood levels of corticosteroids and then
obrving their new blood levels of corticosteroids
琴开头的成语B.Testing the level of
immune-system activity of rats, removing their adrenal glands, and then testing
the rats' immune-system activity levels again
快活造句C.Injecting rats with
corticosteroids and then obrving how many of the rats contracted infections
D.Removing the adrenal glands of rats, injecting the rats with morphine, and
then testing the level of the rats' immune-system respons
E.Injecting rats
with a drug that stimulates immune-system activity and then obrving the level
元葱
of corticosteroids in their bloodstreams
7、
The author us the word “only” in line 23 most likely in order to______
A.highlight the oddity of the rvice improvement
B.emphasize the relatively low value of the investment in rvice improvement
