单项选择题
The two psychologists had to
modify
the American Sign Language somewhat in order to accommodate the chimpanzees' spontaneous gestures.
A．change
B．abort
C．shorten
D．enhance
点击查看答案
<上一题
目录
下一题>
热门
试题
单项选择题
Chimpanzees are frequently used as stand-ins for human beings in experiments.
A．partners
B．role-models
C．stand-bys
D．substitute
点击查看答案
单项选择题
The plainer a bowerbird's plumage, the more brightly it decorates its nest to attract a mate.
A．more spectacular
B．duller
C．flatter
D．more melancholy
点击查看答案
相关试题
A．forB．toC．according toD．with
A．I had workedB．did I workC．was ...
A．attendedB．matriculatedC．enrolledD．...
A．photoB．portraitC．profileD．sketch
A．agreeableB．instructiveC．impatientD...