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【单选题】
若鼻液中混有唾液,可能是由于
A.
胃内容物进入鼻腔
B.
唾液腺发炎
C.
吞咽障碍
D.
严重呕吐
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举报参考答案：
举一反三
【单选题】唾液pH约在（）。
A.
6.0～7.9
B.
5.0～6.9
C.
5.0～7.9
D.
6.0～8.9
E.
6.5～7.5
【单选题】Cell Phone Lets Your Secret Out Your cell phone holds secrets about you. Besides the names and (51) that you’ve programmed into it, traces of your DNA linger (逗留) on the device, according to a new s...
A.
explanation
B.
discovery
C.
book
D.
list
【单选题】TEXT B We all have offensive breath at one time or another. In most cases offensive breath emanates from bacteria in the mouth, although there are other, more surprising causes. Until a few years ago,...
A.
thrive on
B.
account for
C.
originate from
D.
descend from
相关题目：
【单选题】唾液pH约在（）。
A.
6.0～7.9
B.
5.0～6.9
C.
5.0～7.9
D.
6.0～8.9
E.
6.5～7.5
【单选题】Cell Phone Lets Your Secret Out Your cell phone holds secrets about you. Besides the names and (51) that you’ve programmed into it, traces of your DNA linger (逗留) on the device, according to a new s...
A.
explanation
B.
discovery
C.
book
D.
list
【单选题】TEXT B We all have offensive breath at one time or another. In most cases offensive breath emanates from bacteria in the mouth, although there are other, more surprising causes. Until a few years ago,...
A.
thrive on
B.
account for
C.
originate from
D.
descend from
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