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问题 选择题

下列说法不正确的是

A．原子核外电子离核越近的能量越低

B．得电子难的原子，失电子一定容易

C．一种元素原子的核电荷数与其原子序数在数值上相等

D．在同一种物质中同种元素的化合价可能不相同

答案

答案：B

题目分析：A．原子核外电子离核越近的能量越低，说法正确；B.最外层达到相对稳定结构的微粒，既不易的电子，也不易失去电子；C．一种元素原子的核电荷数与其原子序数在数值上相等，说法正确；D．在同一种物质中同种元素的化合价可能不相同，如硝酸铵中铵根中氮元素显-3价，硝酸根中氮元素显+5价

完形填空

阅读下面短文，按照句子结构的语法性和上下文连贯的要求，在空格处填入一个适当的词或使用括号中词语的正确形式填空。

Since the one-baby policy __小题1:____(carry) out in China, Chinese families have been shrinking from one with over 10 members to the other with only three including parents and baaby. Things are usually out of our expectation. Apart from the benefits ___小题2:____ have been mentioned enough, small families are now beginning to have ___小题3:___own problems. Because parents are having fewer children, they increasingly feel the need ___小题4:____(control) the lives of those children. As a result, many children are becoming less ___小题5:____(depend), determined and ambitious than in the past.

Parents today discourage their children from doing housework, extracurricular activities and socializing ___小题6:___ they fear it will interrupt their education. For example, when I was younger I wanted to learn the guitar ___小题7:___ my parents wouldn’t allow me because they believed it would distract me from my studies. They are happy as long as I perform ___小题8:___(wonder) in my exams but don’t seem concerned about how I develop ___小题9:___ a person.

To some extent, I understand parents’ concerns, but I think they should love their children for __小题10:__ they are, not what they want them to be. We deserve the chance to chase our own dreams and learn on our own. Even if we fail, we can learn from those failures.
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单项选择题

关于小儿哮喘的描述哪项是不正确的：（）

A.小儿哮喘发作时表现为呼吸急促，喘鸣有声，严重时张口抬肩，难以平卧，本病多由过敏所致，有一定的传染性

B.治疗以清肺经，推、揉膻中，揉天突，搓摩胁肋，揉肺俞，运内八卦为主

C.久病体虚，肾不纳气者加推三关，补脾经，补肾经，揉丹田，清肺经改为补肺经

D.胃寒者加推三关，揉外劳

E.发热者加清天河水
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