单项选择题

The attitude that a scientist______applying a kind of food colorant scarcely indicates that she is______, for she may simply carry the patent rights to another colorant which may replace the first.

A． favors… acquiescent
B． advocates … disinterested
C． opposes… altruistic
D． dislikes… antagonistic
E． rejects… opportunistic
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单项选择题
She is so______, it is inconceivable how she is generally thought to be______.
A． percipient… reasonable
B． philanthropic … dogmatic
C． importunate … fortunate
D． inconsistent … catholic
E． self-aggrandizing … unassuming
单项选择题
If the contagious nature of yawning is a means of communication within groups of animals, possibly as a means to______behavior, yawning in humans is most likely ______and an evolutionarily ancient mechanism that has lost its significance.
A． clarify… substantial
B． mirror… minimal
C． synchronize … vestigial
D． temporize… analogous
E． interrupt… pernicious
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