题目内容

In choosing a firewall product, what is implied as the main concern of the author？

A. Management.
B. Transparency.
C. Independence.
D. Efficiency.

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Among the description of the fiercest critics, which one may NOT be right？

A. To them, globalizati0n is the only feasible cure of poverty.
B. In their opinion, the rage that drove the terrorists to commit their obscene crime was in part a response to globalization.
C. In their opinion, terrorism thrives on poverty.
D. International capitalism thrives on poverty.

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According to the passage, which of the following statements may be incorrect？

A. It is no doubt that supports for the view that globalization is the only feasible cure for poverty are lacking.
B. In some countries, voters are obviously hostile to globalization.
C. It will be difficult to guarantee a useful conclusion of the world trade talk this year.
D. Governments are bowing down to business: globalization leaves them no choice.

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Since Fisher's time, it has been realized that genes can sometimes influence the chromosome or gamete in which they find themselves so that the gamete will be more likely to participate in fertilization. If such a gene occurs on a sex-determining (X or Y) chromo-some, then highly aberrant sex ratios can occur. But more immediately relevant to game theory are the sex ratios in certain parasitic wasp species that have a large excess of females. In these species, fertilized eggs develop into females and unfertilized eggs into males. A female stores sperm and can determine the sex of each egg she lays by fertilizing it or leaving it unfertilized. By Fisher's argument, it should still pay a female to produce equal numbers of sons and daughters. Hamilton, noting that the eggs develop within their host——the larva of another in sect——and that the newly emerged adult wasps mate immediately and disperse, offered a remarkably co gent analysis. Since only one female usually eggs in a given larva, it would pay her to produce one male only, because this one could fertilize all his sisters on emergence. Like Fisher, Hamilton looked for an evolutionarily stable strategy, but he went a step further in recognizing that he was looking strategy.
The author suggests that the work of Fisher and Hamilton was similar in that both scientists ______.

A. conducted their research at approximately the same time
B. sought to manipulate the sex ratios of some of the animals they studied
C. sought an explanation of why certain sex. ratios exist and remain stable
D. studied reproduction in the same animal species

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According to what you have read, the author's probable preference will he ______.

A. walling for the coming of better firewall products,
B. finding a combination of both application gateway and packet filtering approach
C. meeting demands of every type with better products
D. implementing one better approach in the adoption of a firewall solution

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In choosing a firewall product, what is implied as the main concern of the author？

A. Management. B. Transparency. C. Independence. D. Efficiency.

Among the description of the fiercest critics, which one may NOT be right？

According to the passage, which of the following statements may be incorrect？

According to what you have read, the author's probable preference will he ______.

A. Management.
B. Transparency.
C. Independence.
D. Efficiency.