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【单选题】
标准麻花钻一般有工作部分、颈部、柄部构成,其切削部分有六个刀面和五刃、(B)构成。A.
)三尖
B.
)四尖
C.
)五尖
D.
)一尖
E.
:B
F.
63、两条( )在与它们平行的平面上投影的夹角称为锋角2Φ
G.
)螺旋槽
H.
)主切削刃
I.
)
J.
)韧带
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【单选题】Have you ever played chess?_____
A.
Yes, my grandfather taught me.
B.
I have no time for going to clubs.
C.
My father plays board games.
D.
I like cards.
【单选题】听力原文：W: Hello, Mark. Have you ever played cricket? M: No, never. Have you, Joe? W: No, but I once watched a game at the Cricket Club. M: Did you enjoy it? W: No, not much, though everybody else seemed...
A.
It is exciting.
B.
There is a lot of fan.
C.
It is a hard game.
D.
It is a slow game.
【单选题】听力原文： Have you ever played the game of five stones?. To play it you can use any small pebbles which may be lying around, but, for one of your stones, you would certainly not use a Diamond worth hundre...
A.
They wanted to get as much diamond as they could.
B.
They wanted to make their fortunes.
C.
They wanted to find a large diamond.
D.
They wanted to find the Cullian Diamond.
【简答题】A．Because they want to sell cans. B．Because they want to educate the tourists about park conditions. C．Because the tourists may get sick or die from dehydration. D．Became the tourists may get lost...
【单选题】听力原文：M：Hello，Jacqueline．Have you ever played Cricket? W：NO，never．Have you，Mark? M：NO，but l once watched a game at the Cricket club． W：Did you enjoy it? M：NO，not much，though everybody else seemed to．I ...
A.
It is exciting.
B.
It is hard game.
C.
It is a slow game.
D.
There is a lot of fun.
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