【单选题】听力原文:M: I don't think it is a good idea to spend more time chatting online. I mean it is really a waste of time. W: Well, but I think sometimes chatting online can help you to reduce your stress and m...
B.
It makes her restless.
C.
It helps relieve stress.
D.
It's a way to make friends.
【单选题】兰州黄土,天然含水率为5.5%,密度为1.296克每立方厘米,土粒比重为2.68。当压力从0增加到100千帕时,百分表从9.510变化到9.206。此时压缩系数a0-1最接近()MPa-1。
【单选题】海南的( )品位全国第一。
D.
石碌铁矿 三、多项选择题(每题的备选项中,有2个或2个以上符合题意,至少有1个错项)
【单选题】兰州黄土,天然含水率为5.5%,密度为1.296克每立方厘米,土粒比重为2.68。当压力从0增加到300千帕,百分表从9.510变化到7.492。此时压缩系数a0-3最接近()MPa-1。
【判断题】中性粒细胞具有活跃的变形运动和吞噬功能;具有杀菌特别是化脓性细菌的作用,是炎症时的主要反应细胞
【单选题】I don't think it is _____ coat. [ ]