更多"Chimpanzees are frequently used as "的相关试题:
[单项选择]Chimpanzees are frequently used as stand-ins for human beings in experiment.
A. partners
B. role-models
C. stand-bys
D. substitute
[单项选择]Most frequently used algorithm for page replacement is
A. LRU
B. FIFO
C. OPT
D. PPT
[单项选择]Since chimpanzees are genetically very similar to humans, _______.
A. chimpanzees are likely to suffer AIDS just like humans if they are infected
B. it does not matter if human beings are infected with SIV rather than HIV-1
C. we can use human vaccines to prevent chimpanzees from getting AIDS virus
D. AIDS vaccines based on chimp’s immune mechanism are possible to be made
[单项选择]Hundreds of years ago cloves were used to remedy headaches.
A. disrupt
B. diagnose
C. evaporate
D. cure
[单项选择]According to the passage, chimpanzees can't build power stations because______.
[单项选择]I am used ______ by air and only on one occasion have I ever felt frightened.
A. to travel
B. to traveling
C. traveling
D. to have traveled
[单项选择]The painter Jacob Lawrence frequently incorporated patterns into his compositions, making them more striking than they would _______ have been.
A. instead
B. however
C. otherwise
D. nevertheless
[单项选择]A frequently cited example of the endangered species is the pand
A. A． worriedB. neglectedC. reducedD. mentioned
[单项选择]What we consider a luxury at one time frequently becomes a ______, many families find that ownership of two cars is indispensable.
A. fashion
B. necessity
C. proclivity
D. nuisance
[单项选择]Their products are frequently overpriced and ______ in quality.
A. influential
B. inferior
C. superior
D. subordinate
[单项选择]He frequently wandered from his text to ______ on a point that had obviously caught his audience's interest.
A. elaborate
B. stress
C. interrupt
D. illustrate
[单项选择]Frequently single-parent children ______ some of the functions that the absent adult in the house would have served.
A. take off
B. take after
C. take in
D. take on
[单项选择]When was sugar used widely
A. 3,000 years ago.
B. In modem times.
C. Quite recently.
D. 300 years ago.
[单项选择]How was the weight used
A. To check the accuracy of scales.
B. To calculate the density of other metals.
C. To observe changes in the atmosphere.
D. To measure amounts of rainfall.
