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【单选题】
是一种只能进行 P 操作和 V 操作的特殊变量。A.
调度
B.
进程
C.
信号量
D.
同步
拍照语音搜题，微信中搜索"皮皮学"使用
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参考解析：
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皮皮学刷刷变学霸
举一反三
【单选题】Jane doesn't like to talk too much and has few friends. I think she is a ___________ girl.
A.
bossy
B.
indifferent
C.
quiet
D.
courageous
【单选题】To talk too much is sometimes ____ than useful.
A.
worse
B.
bad
C.
more bad
D.
much worse
【单选题】当为一个向左或向右浮动的元素设置左或右边距时,在IE6.0浏览器中就会出现一个双倍边距的BUG,解决双倍边距BUG的常用方法是在浮动元素上添加( )样式。
A.
display:inline
B.
display:none
C.
float:none
D.
overflow:hidden
【单选题】弱酸性药物中毒后碱化尿液，其在碱性尿中
A.
解离多，再吸收多，排泄慢
B.
解离少，再吸收多，排泄慢
C.
解离多，再吸收少，排泄快
D.
解离少，再吸收少，排泄快
E.
解离多，再吸收多，排泄快
【简答题】Jack is very ______. He doesn't like to meet new people, and he doesn't talk too much.
【单选题】【图片】读齿轮油泵装配图工作原理如下：齿轮油泵为液压系统中的一种能量转换装置，是机器中润滑、冷却和液压系统中获得高压油的主要设备。当传动齿轮轴5逆时针旋转时，通过齿轮的啮合使从动齿轮轴11顺时针旋转，则在前端进油口处形成真空，将低压油吸入泵内。随着两齿轮的反向旋转，油沿泵体内壁移动到后端高压出口处排出。齿轮油泵装配图主视图，尺寸φ16H7/h6中，基准制是（ ）。
A.
基孔制
B.
基轴制
C.
基孔制 / 基轴制
D.
非配合尺寸
【简答题】It is not a good idea to talk too much about yourself because the interviewer doesn’t want to know everything about you. But on the other hand, telling 13 can make him or her wonder why you aren’t mor...
【单选题】To talk too much is sometimes ______than useful.
A.
worse
B.
bad
C.
much worse
D.
more bad
【简答题】Which one in the following is NOT mentioned by John to limit the people who talk too much?
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