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【单选题】
下列物质的类别与所含官能团 不 正确的是( )
A.
醇 类  —OH
B.
羧酸 —COOH
C.
醛类 —CHO
D.
CH 3 —O—CH 3 醚类
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参考答案:
举一反三
【单选题】按照人体的器官、系统阐述正常人体器官形态的学科称之为
A.
系统解剖学
B.
局部解剖学
C.
断层解剖学
D.
外科解剖学
E.
X线解剖学
【单选题】He got up very late, _________ his school bag, and _________ to his school at once.
A.
taking; dashing
B.
took ; dashing
C.
taking ; dashed
D.
took ; dashed
【单选题】按照人体的器官功能系统阐述正常人体器官的形态结构、生理功能及其生长发育规律的科学称
A.
局部解剖学
B.
断层解剖学
C.
系统解剖学
D.
X线解剖学
E.
机能解剖学
【单选题】You can't _____ the broken bag to school. [     ]
A.
take
B.
took
C.
taking
【单选题】-- _________ --The school bag is mine.
A.
What is it?
B.
Is the school bag yours?
C.
Whose school bag is it?
D.
Is it a school bag?
【判断题】概念:按照人体的器官功能系统(如运动系统、消化系统和呼吸系统等)阐述正常人体器官的形态结构、生理功能及其生长发育规律的科学。
A.
正确
B.
错误
【单选题】He went to school without _____ his school bag. [     ]
A.
take
B.
takes
C.
taking
【简答题】Sheila bought a new lunch bag for school. On the way to school, she looked inside. She hoped that a new lunch bag meant something new for lunch, 16 she found the same lunch as always---a sandwich. Whe...
【判断题】液体的压缩性和热膨胀性都很小,气体与液体相同。
A.
正确
B.
错误
【单选题】I can buy _______ and _______. . C. T-shirt; school bag
A.
a T-shirt; school bag
B.
a T-shirt; a school bag
C.
T-shirt; school bag
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