关于生态系统的组成成分的叙述，正确的是 ①凡是细菌、真菌都是分解者 ②凡是自养型

阅读理解。

　　He is quiet and shy. He likes to hide his eyes behind his hair. He doesn't

smile very often. However,  if you talk to him about music, he'll have a lot to say. 　　　　　　　　　        This is Jay Chou, the 24-year-old Taiwanese pop king(天王). His fans are

so excited because he will sing songs in Beijing on September 12. Those songs

are from his new album (唱片), "Ye Huimei", and the album was released

(发行) in July and was named after his mother.

　　Chou grew up just with his mother. He did not talk much and did badly in

many school subjects.

　　His mother noticed the boy's special interest in music and sent him to learn

piano when he was only three years old. He loved it and kept on practicing.

　　Chou is not very handsome. He does not speak clearly when he sings or

talks. But the singer has huge crowds of fans. "He is really good at music. It

makes him attractive(有魅力的) to me, " said Liu Jiajun,  a Junior 2 student in

No. 101 Middle School in Beijing.

　　"He is true to himself. He never follows others, "said Zhang Yujie, a Junior

1 girl at Huaibei Middle School in Sihong, Jiangsu Provice.

1. From this passage, we know that Jay Chou _____.

A. is very handsome            

B. has a bright smile

C. often makes too much noise    

D. is a pop music star

2. His fans are so excited because _____.

A. he released a new album in July  

B. he will sing new songs in Beijing

C. he can play the piano very well

D. his new album was named after his mother

3. When he was a little child, he _____.

A. talked a lot every day    

B. did well in his study at school

C. started to like music      

D. had huge crowds of fans

4. According to one of his fans, Jay _____.

A. is a good student        

B. has long and beautiful hair

C. is a well-known pianist    

D. is very attractive to them

5. The sentence "He never follows others" in the last paragraph means _____.

A. he always has his own style            

B. he likes to walk alone

C. he doesn't like other people's songs at all  

D. no one can catch up with him

在一个固定体积的密闭容器中，保持一定温度，进行以下反应：已知加入

时，达到平衡后生成a mol HBr．在相同条件下，起始时加入HBr的物质的量分别为x、y、z（均不为零），如果仍保持平衡时各组分的百分含量不变，以下推断不正确的是[ ]

A．x、y应满足的关系是y＝2x 　　

B．x、y、z应满足的关系是4x＋z＝2y 　　

C．达平衡时HBr物质的量为

D．达平衡时HBr物质的量一定仍为a mol

完善以宪法为核心的中国特色社会主义法律体系，要求推进科学立法和民主立法。下列哪一做法没有体现这一要求？（）

A.在《大气污染防治法》修改中，立法部门就处罚幅度听取政府部门和专家学者的意见

B.在《种子法》修改中，全国人大农委调研组赴基层调研，征求果农、种子企业的意见

C.甲市人大常委会在某社区建立了立法联系点，推进立法精细化

D.乙市人大常委会在环境保护地方性法规制定中发挥主导作用，表决通过后直接由其公布施行

服务人中在上岗时精神饱满，关闭整齐，充满（）。

A.活力

B.庄重

C.亲和力

D.自信

如果呼吸的潮气量减小50％，同时呼吸的频率增加1倍，其结果是（）。

A.肺的通气量增加

B.肺泡通气量不变

C.肺泡通气量增加

D.肺泡通气量减少

E.肺的通气量减少