[单项选择]Animals can only survive （　）the living environment is similar to the earth.
A. which
B. whose
C. what
D. where

[单项选择]Animals can only survive（　）the living environment is similar to the earth.
A. which
B. whose
C. what
D. where

[单项选择]Living things can sense and ______ changes in their surroundings.
A. decide on
B. make up
C. lead to
D. respond to

[单项选择]Without water ______ living things could survive.
A. no
B. anything but
C. no one
D. nothing but

[单项选择]

Every year New Zealanders living in London can be seen loading up Kombi vans and heading off to experience the "classic European holiday", The trip usually starts in the north of France, after crossing the channel from Dover in England to Calais, driving down through France, over the Pyrenees into Spain, west into Portugal and then across the Continent to Italy and often beyond.
There are numerous reasons young New Zealanders take this rite of passage—as well as seeing all the fantastic sights and tasting the delights of Europe’s food and wine, it’s relatively inexpensive. The Kombi is transport and accommodation all in one, cutting down significantly on costs.
There is just one problem. As the Kombis become "antique", these trips are usually punctuated with numerous roadside sessions as the van sits idle, in no hurry to start, while you swelter in the hot sun. But do not let this deter you. Travelling Europe in your own vehic
A. The Kombis become too old.
B. Language.
C. People may not enjoy the driving experience.
D. Finding one's destination is hard for the busy traffic in cities.

[单项选择] (71) is a memory chip that only can be read and used; that is, it cannot be modified。
A. RAM
B. CPU
C. ROM
D. WWW

[单项选择]According to passage, human beings can survive almost everywhere on Earth because ______.


A. they have developed advanced forms of transportation
B. they have learned how to process seawater for drinking
C. their body temperature can vary considerably
D. their shelters and clothing help them to adapt to the environment

[单项选择]The longest time a human being can survive without sleep is probably ______.
A. five days
B. seven days
C. ten days
D. twelve days