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【单选题】
下列不属于采用物理法制备纳米材料的加热手段的是( )A.
电阻丝加热法
B.
等离子喷射加热法
C.
电炉加热法
D.
激光束加热法
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【单选题】—What a lovely toy! Who bought it for you? —I made it by _________．
A.
myself
B.
yourself
C.
herself
D.
himself
【单选题】Clothing made of man-made fibres has certain advantages over made of natural fibres like cotton ,wool or silk.
A.
the ones
B.
one
C.
that
D.
what
【简答题】编程题 输入三角形的三条边 a,b,c , 判断它们能否构成三角形 , 若能则指出是何种三角形 : 等边三角形、等腰三角形、直角三角形、一般三角形。
【单选题】More _____ satellites must be sent up _____ space. [ ]
A.
man-made; into
B.
manned-made; in
C.
man-made; in
D.
manned-made; into
【单选题】Generally speaking, clothes made of man-made materials is less comfortable than _____ made of natural fibers like cotton, wool or silk.
A.
that
B.
it
C.
those
D.
One
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