猪红皮病是由猪（）寄生在猪的红细胞和血浆中而引起的人畜共患寄生虫病。

用方框中所给词语的适当形式填空，使短文正确、通顺、连贯（每词限用一次）。

job,  chance,  fourth,  why,  live,   easy,  honest,   good,  in order to,  come out      Good morning, ladies and gentlemen. I'm here today to share a good lesson with you. It is a true story about an overseas student 1_____ in Germany.      After years of hard work, this student graduated with amazing achievements. Everyone thought he was going to get a good 2_____ easily and have a bright future. But to his disappointment, he was not even given the 3_____ for an interview! The third time he was refused, he couldn't help telephoning the company to ask. 4_____ they didn't want him. The answer was simple."We don't offer jobs to 5_____ people in Germany."     What was wrong, you might wonder? The truth is,shortly after he arrived in Germany, this clever student found that it was 6_____ to skip buying subway tickets. So 7_____ save money, he often went without a ticket. As a result, he had been caught without a ticker in the subway 8_____ times.      From this story, we learn that we may get short-term benefits in dishonest ways, but the truth will 9_____ sooner or later and the cost is high. So remember: honesty is the 10_____ rule. That's all for my speech. Thank you!

下列哪种灭火器不适用于扑火电器火灾（）

A.二氧化碳灭火器

B.干粉剂灭火剂

C.泡沫灭火器

部分短周期元素的原子半径及常见化合价如下表：

元素代号	Z	M	Q	R	T	X
原子半径／nm	0.077	0.130	0.111	0.099	0.073	0.102
常见化合价	+4 ,-4	+2	+4 ,-4	－1,+7	－2	+6，－2

根据要求回答问题（如需填化学用语的，请用各元素的元素符号表示)

（1） X元素在元素周期表的位置是             。

（2） R的气态氢化物比X的气态氢化物           (填稳定或不稳定)。

（3）写出M的单质与ZT2反应的化学方程式                                   。

（4）Q的最高价氧化物在现代通信的重要用途是                 。

（5）己知XO2在500℃，1大气压下被氧气氧化，每生成1 mol气态XO3，放出98.3 kJ热量，该反应的热化学方程式是                                            

（6）工业上用Z的单质与水蒸汽反应制水煤气，则该反应的平衡常数表达式K＝     。

按国家公务员领导职务序列，行政领导者可分为（）个职务等次名称和相对应的13个级别。

A．20

B．12

C．10

D． 8

如下图所示，科学家预测，未来人类可能从地球迁移到相邻的“第二行星家园”。“第二行星家园”的“自转轴”与其公转轨道平面的夹角约为66°01′，自转周期与地球相近，质量约为地球的十分之一，有大气层。据此回答小题。

和地球相比，“第二行星家园”（）。

A.表面均温更高

B.属于远日行星

C.昼夜温差更大

D.大气层厚度更厚