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【单选题】
图纸中技术要求项目中标注的"热处理:C45"表示( )。A.
(A)淬火硬度HRC45
B.
(B)退火硬度为HRB450
C.
(C)正火硬度为HRC45
D.
(D)调质硬度为HRC45
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举一反三
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A.
present
B.
for now
C.
at present
D.
is present
【单选题】Choose the similar word. The police searched the flat carefully for clues.
A.
looked for
B.
discovered
C.
entered
D.
examined
【单选题】The police searched the robber 's home , but there was nothing .
A.
to be seen
B.
to see
【单选题】The police searched the house thoroughly but found no signs of break-in.
A.
symbols
B.
gestures
C.
indications
D.
signals
【单选题】The police searched the building but failed to find out where the bomb was.
A.
together
B.
exactly
C.
altogether
D.
thoroughly
【单选题】The police searched the robber’s home, but there was nothing .
A.
to be seen
B.
to see
C.
seen
D.
being seen
【单选题】The police searched the building ______ but failed to find out where the bomb was.
A.
throughout
B.
fully
C.
altogether
D.
thoroughly
【单选题】Police searched the house ______ the missing boy.
A.
in order to
B.
for
C.
of
D.
With
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