This kind of plant _____ a lot of waterat all times.
A. assumes
B. limits
C. produces
D. Requires
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根据上述材料,下列说法正确的是()。
A. 2010年,浙江省的文盲/半文盲人数比2000年下降了22%
B. 东部地区主要省市的平均受教育年限均高于全国平均水平
C. 第三次普查以来.浙江省受教育水平为初中的人群始终占多数
D. 根据第六次普查结果.浙江省的人口受教育程度要差于江苏省
活塞环安装入活塞后,应有一定的侧隙,侧隙的大小可用()来检查。
A 游标卡尺
B 塞尺
C 千分尺
D 内径千分尺
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“-”符号表示形位公差中的()误差。
A 面轮廓度
B 线轮廓度
C 圆度
D 直线度