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【判断题】
氯霉素眼药水中加入硼酸的主要作用是调节pH值。A.
正确
B.
错误
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举一反三
【单选题】The young man stopped and looked back as if ______ whether he was being followed.
A.
seeing
B.
to have seen
C.
having seen
D.
to see
【单选题】From“he has never looked back”in Paragraph 2，we learn that Peter__________. 查看材料
A.
did not feel lonely
B.
was always hopeful
C.
did not think about the past
D.
became mote and more successful
【单选题】The old man often looked back on the past days ________ he worked hard to make a living.
A.
which
B.
when
C.
where
D.
that
【单选题】He sat back on the chair, took a book and began to read, ___.
A.
being looked at ease
B.
looked rather at ease
C.
to look rather at ease
D.
looking rather at ease
【简答题】营养不良患儿最先出现皮下脂肪减少的部位是:A. 面部 B. 躯干 C. 腹部 D. 四肢 E. 臀部
【单选题】He sat back on the chair, listening to the MP4 and ____ . [ ]
A.
looking at ease
B.
looked at ease
C.
being looked at ease
D.
to look at ease
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