皮皮学，免费搜题
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【单选题】
Which of the following chemicals will be used where protection against caustic cracking is required in boiler treatment?A.
Sodium hydroxide
B.
Sodium carbonate
C.
Sodium nitrate
D.
Sodium polyphosphate
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皮皮学刷刷变学霸
举一反三
【多选题】The three kinds of perpendicular plane
A.
V-perp.plane
B.
H-perp.plane
C.
W-perp.plane
D.
W-parallel
【多选题】The three kinds of parallel plane
A.
frontal plane
B.
horizontal plane
C.
profile plane
D.
general plane
【单选题】下列数列中,()是小顶堆。
A.
16 72 31 23 94 53
B.
94 53 31 72 16 53
C.
16 53 23 94 31 72
D.
16 31 23 94 53 72
【多选题】What are the three kinds of quotations?
A.
Direct quotation .
B.
Indirect quotation.
C.
Partial quotation.
D.
Impartial quotation.
【多选题】What are the three kinds of hills of ski jumping?
A.
take-off hill
B.
normal hill
C.
large hill
D.
ski flying hill
【单选题】堆是一种有用的数据结构。在以下排序码序列中小顶堆是( )。
A.
{16,72,31,23,94,53}
B.
{94,53,31,72,16,53}
C.
{16,53,23,94,31,72}
D.
{16,31,23,94,53,72}
【单选题】The main structural differences of the three kinds of cartilage are
A.
Chondrocyte type
B.
Amorphous matrix components
C.
Fiber type
D.
Physical properties of cartilage
E.
Staining characteristics of cartilage
【多选题】What are the three kinds of notes?
A.
direct citation
B.
parenthetical citations
C.
footnotes
D.
endnotes
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