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问题 单项选择题

专用检测工具——心棒，是有主轴孔的接触部分和检测部分组成的，主要是检查主轴（）的径向圆跳动。

A.中心线

B.前、后轴承连线

C.孔中心线

D.孔与中心线

答案

参考答案：D

选择题

小明到精品店买“流氓兔”时，“流氓兔”＿＿＿商品，母亲把“流氓兔”送给小妹时，它＿＿商品。

A．是是

B．是不是

C．不是是

D．不是不是
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单项选择题

The workers at Bell Manufacturing will shortly go on strike unless the management increases their wages. As Bell’s president is well aware, however, in order to increase the workers’ wages, Bell would have to sell off some of its subsidiaries. So, some of Bell’s subsidiaries will be sold.
The conclusion above is properly drawn if which one of the following is assumed

A．Bell Manufacturing will begin to suffer increased losses.

B．Bell’s management will refuse to increase its workers’ wages.

C．The workers at Bell Manufacturing will not be going on strike.

D．Bell’s president has the authority to offer the workers their desired wage increase.

E．(E) Bell’s workers will not accept a package of improved benefits in place of their desired wage increase.
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