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【单选题】
Buck learned to survive in the arctic by ______.
A.
its primitive character
B.
becoming the strongest
C.
the law of club and fang
D.
adapt itself to the cold arctic
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参考答案:
举一反三
【单选题】在下列物质中,其物质的量为0.2mol的是( )
A.
8.8gCO2
B.
7.2gH2O
C.
4.8gO2
D.
49gH3PO4
【单选题】邻面的早期龋损。可以用下列哪种方法帮助检查( )
A.
探诊
B.
牙线
C.
温度测试
D.
叩诊
E.
视诊
【单选题】邻面早期龋损可以用下列哪种方法帮助检查
A.
探查
B.
牙线
C.
温度测试
D.
叩诊
E.
视诊
【判断题】磨削加辶应用非常广泛,可以用来加工内外圆柱面,内外圆锥面、台阶、端面、平面、螺纹、轮齿、花键等,并可加工高硬度材料。
A.
正确
B.
错误
【单选题】在下列物质中,其物质的量为0.2mol的是:
A.
49gH 2 SO 4
B.
3.6gH 2 O
C.
2.2gCO 2
D.
3.2gO 2
【单选题】Why won’t the man go with the woman? A. He will meet Peter. B. He is going to Scotland. C. He has to handle a car accident.
A.
B.
C.
D.
D
【单选题】a. The programme isn’t showing on Saturday. b. He’ll meet the woman on Saturday. c. The man has to help someone on Saturday. d. His cousin arrives on Saturday.
A.
a
B.
b
C.
c
D.
d
【单选题】Why can't the man meet the woman now?
A.
He has to attend a party.
B.
He has to meet a friend.
C.
He has to make a presentation.
D.
He has to finish an assignment.
【简答题】在下列物质中,物质的量为0.2mol的是( )A. 2.2g CO 2 B. 3.6g H 2 O C. 3.2g O 2 D. 49g H 2 SO 4
【单选题】邻面早期龋损可以使用下列哪种方法帮助检查( )
A.
牙线
B.
温度测试
C.
叩诊
D.
视诊
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