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【单选题】
曲柄摇杆机构中以()为主动件时,会出现死点。
A.
曲柄;
B.
连杆;
C.
摇杆;
D.
上述都不对。
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【简答题】过点M(1,2,-1)且与直线 ,垂直的平面方程是________ 2. 以(1,2,3)为球心,半径为2的球面方程为________ 3. 将yoz坐标面上的直线z=y绕z轴旋转一周所生成的旋转曲面的方程是______
【单选题】Who is that woman?
A.
She is my friend.
B.
She is our manager.
C.
She is our boss.
【简答题】You can speak (free) ______ in front of our boss; he is open-minded.
【单选题】一周就业假由()然后 向实习单位请假。
A.
学校统一安排
B.
家长
C.
自己
D.
班长
【简答题】The boss refused our _____ (请求) to have a spring outing.
【单选题】Our boss is ___ of a musician.
A.
anybody
B.
everybody
C.
somebody
D.
something
【简答题】经过点A(1,0,0)与点B(0,1,1)的直线绕z轴旋转一周生成的曲面方程是_____________.
【简答题】The boss suggested _________ a meeting and it suggested that he _________ in our plan. A.to hold; was interested B.holding; was interested C.holding; should be interested D.should hold; be interested
【单选题】园林中高篱的设计宽度一般为( )
A.
50cm以下
B.
60-120cm
C.
120-150cm
D.
150cm以上
【简答题】Our boss will be satisfied,___________________________ (只要你说服他改变主意).
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