对肾盂肾炎的诊断有意义的是
A．白细胞管型B．红细胞管型C．透明管型D．蜡样管型E．上皮细胞管型
参考答案：A
六．单词拼写（5分）
81. University professors often ___________ (抱怨) that students are handing in papers using false information they found on the Internet.
82.Having made good preparations, the students all made very wonderful ____________(陈述).
83．They considered themselves to be s_________to black people.
84. Lightning usually a__________ thunder.
85. The teacher did not explain its grammatical f_________.
86.Who can still have _________ (信任) in you despite your shortcomings?
87.They realized there was some __________ (潜在的) danger behind the case.
88.He tried to apply for the patent. But his a___________ was not accepted at all.
89. Her books enjoy a high p_________ among teenagers in many countries.
90.Their country is passing through__________(麻烦的) times.
X、Y、Z和W代表原子序数依次增大的四种短周期元素，X原子核内没有中子，在周期表中，Z与Y、 W均相邻；Y、Z和W三种元素的原子最外层电子数之和为17。则下列有关叙述正确的是
A．Y、Z和W三种元素不可能位于同一周期
B．上述元素形成的氢化物中，W的氢化物相对分子质量最大，熔沸点最高
C．Y和W所形成的含氧酸均为强酸
D．X、Y、Z和W可形成X5YZ4W的离子化合物
