《双城记》的艺术成就？
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放疗、化疗后有关骨髓的描述正确的是（）
A.最初反应为骨髓充血、水肿
B.急性期后红骨髓增加
C.急性期后骨髓主要成分为脂肪
D.MRI有助于观察骨髓变化
E.不应选择CT观察骨髓变化
下列句子加点的成语运用不恰当的一项是（ ）（3分）
A 无情的洪水袭击了这片地区，粮食被冲走，致使几十万灾民无粮可吃，嗷嗷待哺。
B 他诚恳地对县长说道：“你放心，为学生募捐的事我一定鼎力相助！”
C 网络上的东西良莠不齐，我们一定要细心分辨，防止受骗或受到不良影响。
D 尽管不希望太多的人知道，但是他被提前录取的消息还是在学校里不胫而走。
| It is all very well to blame traffic jams, the cost of petrol and the quick pace of modern life, but manners on the roads are becoming horrible. You might tolerate the rude and (21) driver, but nowadays the well-mannered motorist is the (22) to the rule. Perhaps the situation (23) a "Be Kind to Other Drivers" campaign, (24) , it may get completely out of hand. Road politeness is not only good manners, but good (25) too. It takes the most cool-headed and good-tempered drivers to resist the temptation to revenge when (26) uncivilized behaviors. On the other hand, a little politeness goes a long way towards (27) the tensions of motoring. A friendly nod or a wave of acknowledgement (28) an act of politeness helps to create an atmosphere of goodwill and tolerance so (29) in modern traffic conditions. But such acknowledgements of politeness are (30) rare today. Many drivers nowadays aren’t even able to recognize politeness when they see it. However, improper politeness can also be (31) A typical example is the driver who waves a child across a crossing into the path of oncoming vehicles (32) may be unable to stop in time. The same (33) encouraging old ladies to cross the road wherever and (34) they care to. Years ago the experts warned us that the car-ownership explosion would demand a lot more give-and-take from all road users. It is high time that we (35) this message to heart. |
A．calls in
B．calls up
C．calls on
D．calls for
恒温下，在体积恒定的密闭容器中发生可逆反应：2SO2 + O2
A．容器中压强不再变化
B．SO2的体积分数不再变化
C．容器中各物质的浓度不再变化
D．单位时间内生成SO2的物质的量与消耗SO3的物质的量相等
某市有6个县，市规划局要绘制一张包括6个县R、S、W、X、Y和Z的地图，相邻的县不能使用相同的颜色。
相邻的县如下所述：
(1)R、S、X和Y都与W相邻。
(2)X与Y相邻。
(3)R和S都与Z相邻。
若X与Z的颜色相同，则下面哪一项是必定正确的？（）
A．R与Y的颜色相同。
B．S与X的颜色相同。
C．X与Y的颜色相同。
D．W与其他所有县的颜色不同