The shelter offers some pro______ from the icy winds.

根据下列短文，回答下列各题。 Climate．more than any other single factor，determines the distribution of life on earth．Cli-matic boundaries establish the limits which organisms can survive．Plants，even more than ani-mals．must be well adapted to climate in order to survive．They cannot move about or take shel-ter but must be equipped to endure whatever weather conditions are likely to Occur．In the harsh conditions of the tundra，for example，low growing mosses，lichens，and a few flowering plants allhug the ground for shelter from icy winds． Animals，despite their ability to move about and find shelter，are just as much influenced by climate as plants are．Creatures such as the camel and the penguin are so highly specializedthat they have an extremely limited distribution。Others，such as bears are flexible"enough to a．dapt to a broad range of climates．Oceandwelling organisms are just as sensitive to climaticchanges--in this case temperature and salinity--as land animals．Reef corals can survive onlyin clear warm seawater．Certain foraminifers are so sensitive to changes in their environmentthat their presence can be taken as an index of sea temperature．Human beings are among theleast specialized of all animals and can live almost anywhere．Their clothes and their homes actas a sort of“miniature climate”that Can be taken with them everywhere． According to the passage，plants on the tundra grow in the ground_________．

A.to avoid being eaten by arctic animals

B.because fertilizer is not readily available

C.to minimize exposure to the cold

D.because unfrozen water supplies are very scarce

B) scratch

C) explore

D) exploited

E) consent

F) consultant

G) bribe

H) positively

I) exchange

J) investigation

K) accounting

L) undiscovered

M) unveiled

N) shielded

O) negatively

In the past several years, many news stories about corporate greed have come to surface. The illegal practices of some executives have(1)impacted our economy. What makes this worse is that these executives seem to have the(2)of some political leaders. Some of the executives even(3)lawmakers. Recently a member of Congress from California was caught demanding gifts from interest groups in(4)for supporting new laws. A few top leaders in the government are under(5)for illegal activities. This doesn't even(6)the surface of the problem. A few years back a company made many purposeful(7)errors to fool investors. Many believe that one reason the problem became so big was that our nation's top leaders(8)the company. By the time the truth was(9), many innocent people had lost their entire savings. There seems to be more and more companies that(10)the public's trust for their own interests. This calls for laws and strict regulations to put the illegal practice to an end.