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【单选题】
关于高斯定理有下面的几种说法,其中正确的是A.
若高斯面上 E 处处为零，则该面内必无电荷
B.
高斯定理仅适用于具有高度对称性的电场
C.
高斯面上场强仅由面内电荷提供
D.
若高斯面内有净电荷，则穿过高斯面的场强通量必不为零
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【简答题】The paper that we are using each day starts as wood on a tree very far from here. Men and machines make the wood into paper in a factory, which people have to carry by trucks and put into stores. At e...
【单选题】I can’t cancel my arrangement at such a short __________, for I have already announced it to everyone concerned.
A.
. warning
B.
. information
C.
. notice
D.
. schedule
【单选题】5岁男性,作报告中突然头痛伴呕吐,右侧肢体无力,查体:血压220/110mmHg,昏睡,双眼向左凝视,右侧肢体偏瘫,右侧Babinski征(+)。最适宜的检查方法是:
A.
脑电图
B.
脑脊液检查
C.
脑超声
D.
颅脑CT
E.
颅脑MRI
【单选题】某学生四次模拟考试时，其英语作文的扣分情况如下表： 考试次数 1 2 3 4 所减分数 4.5 4 3 2.5 显然所扣分数 与模拟考试次数 之间有较好的线性相关关系，则其线性回归方程为（ ）
A.
B.
C.
【单选题】If the contract is cancelled, it'll be a ____ for everyone concerned.
A.
catastrophy
B.
catastrophic
C.
catastrophe
D.
catastrophically
【简答题】The paper that we are using each day starts as wood on a tree very far from here. Men and machines make the wood into paper in a factory, which people have to carry by truck and put into stores. At ev...
【单选题】关于急诊护理工作的特点，下列哪项不是
A.
急，发病急骤来势凶
B.
忙，各种急症量和质的程度不可预测
C.
病种单纯，多以创伤为主
D.
易感染性，病人来者不拒
E.
涉及法律及暴力事件多
【单选题】We discussed only such problems ___ concerned everyone of us.
A.
that
B.
what
C.
as
D.
whether
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