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【单选题】
______ had the bell rung ______ the students took their seats.A.
Hardly; when
B.
No sooner; when
C.
Hardly; than
D.
Scarcely; than
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举一反三
【单选题】The fractal (Hausdorff) dimension of the Sierpinski Triangle is:
A.
log 4 / log 3
B.
log 3 / log 2
C.
log 3 / log 4
D.
log 6 / log 4
【简答题】A reinforced concrete simply-supported T-beam , span length L 0 = 19.96 m , calculated span length L= 19.50 m. For concrete C35, f ck = 23.4 MPa , f tk = 2.20 MPa , and E c = 3.15×10 4 MPa. The enviro...
【单选题】The meaning of the letter C in dimension C2 is: (Single option: 10 points)
A.
45° chamfer
B.
30° chamfer
C.
60° chamfer
D.
None
【简答题】A reinforced concrete simply-supported T-beam , span length L 0 = 19.96 m , calculated span length L= 19.50 m. For concrete C30, f ck = 23.4 MPa , f tk = 2.20 MPa , and E c = 3.0×10 4 MPa. The environ...
【判断题】C2 is a dimension of a chamfer of a part, in which capital letter C is used to stand for 30°.
A.
正确
B.
错误
【简答题】A reinforced concrete simply-supported T-beam , span length L 0 = 19.96 m , calculated span length L= 19.50 m. For concrete C30, f ck = 23.4 MPa , f tk = 2.20 MPa , and E c = 3.0×10 4 MPa. The environ...
【单选题】The dimension marking of the combination is missing ( ) dimensions.
A.
2
B.
3
C.
4
D.
5
【单选题】Given the declaration Int a[][3]={1,2,3,4,5,6,7}; the size of the first dimension of array a is()
A.
2
B.
3
C.
4
D.
5
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