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【单选题】
样品灰化完全后,灰分应呈( )A.
灰白色
B.
白色带黑色
C.
黑色
D.
白色
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反馈参考答案：
举一反三
【单选题】You are asked to change the cable on interface fe-4/2/3.Which statement is correct?（）
A.
The cable is found on port 4, FPC 2, and slot 3.
B.
The cable is found on slot 2, port 3, and FPC 4.
C.
The cable is found on FPC 4, slot 3, and port 2.
D.
The cable is found on slot 2, FPC 3, and port 4.
【单选题】You are asked to change the cable on interface ge-2/1/3.Which statement is correct?（）
A.
The cable is found on FPC 1, slot 3, and port 2.
B.
The cable is found on slot 1, port 2, and FPC 3.
C.
The cable is found on port 3, FPC 2, and slot 1.
D.
The cable is found on FPC 1, slot 2, and port 3.
【单选题】Which statement about an estimated position is TRUE?
A.
It is usually based on soundings.
B.
It is more reliable than a fix based on radar bearing.
C.
When a 3-LOP fix plots in a triangle the center of the triangle is the estimated position
D.
It may be based on a single LOP or questionable data.
【单选题】Which statement describing a stove’s look is not true?
A.
It has a long neck and a brass stomach.
B.
It eats firewood.
C.
Fire spurts from lower part of it.
D.
It has the same color with the snow man.
【单选题】Which statement about computers does Jay probably agree with?
A.
Computers are disposable.
B.
Laptop computers are more convenient.
C.
Laptops are better than desktops.
D.
Old computers are more reliable than new ones.
【单选题】Refer to the exhibit. Which statement describes DLCI 17?
A.
DLCI 17 describes the ISDN circuit between R2 and R3.
B.
DLCI 17 describes a PVC on R2. It cannot be used on R3 or R1.
C.
DLCI 17 is the Layer 2 address used by R2 to describe a PVC to R3.
D.
DLCI 17 describes the dial-up circuit from R2 and R3 to the service provider.
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