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【单选题】
小儿长期喜欢趴着睡觉，多数属于( )病A.
乳食内积
B.
厌食
C.
腹痛
D.
哮喘
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反馈参考答案：
举一反三
【单选题】Under the guidance of Grammar-Translation Method, the teacher uses the ____ language of the students as the main medium of instruction in the classroom.
A.
native
B.
second
C.
foreign
D.
accent
【单选题】Under the guidance of their teacher, the pupils are building a model boat ______ by steam:
A.
towed
B.
tossed
C.
propelled
D.
pressed
【简答题】Under the guidance of their teacher, the pupils are building a model boat ________ by steam. A) towed B) pressed C) tossed D) propelled
【单选题】All work is done under the guidance of a ___.
A.
supervise
B.
supervisor
C.
supervision
D.
supervised
【单选题】并联管道阀门为 全开时各段流量为 、 、 ,现关小阀门 ,其他条件不变,流量的变化为:
A.
、 、 都减小
B.
减小， 不变， 减小
C.
减小， 增加， 减小
D.
不变， 增加， 减小
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