It's your ______ to look after your pare

联系世界古代古老的大型水利工程的湮废，写一段历久不衰，永葆青春都江堰的导游词。

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观察下图，回答问题：

(1)若用图1所示的显微镜进一步放大观察图2中的d细胞，需要将玻片向______方移动，移动________(填序号)，使高倍物镜对准通光孔。

(2)若要进行染色体计数，应选用图2中的_________细胞。

(3)图3中c过程的实质是_______。形成的D细胞将在________中发育成为T淋巴细胞。

(4)如果用某种药物处理E细胞，则发现对Na⁺的吸收速率大大降低，而对其他物质的吸收速率没有影响，说明这种药物的作用是_______。

(5)科学家采用同位素标记法研究E细胞合成和分泌抗体的过程，将³H标记的氨基酸注射到细胞内，发现带有³H的物质依次出现在_______细胞器中。

设数组data[0..m]作为循环队列SQ的存储空间，front为队头指针，rear为队尾指针，则执行出队操作的语句为

A．front:=front+1

B．front:=(front+1)mod m

C．rear:=(rear+1)mod m

D．front:=(front+1)mod(m+1)

     Friends play an important part in our lives, and although we may take the fact of friendship for

granted, we often don't clearly understand how we make friends. While we get on well with a number

of people, __1__

     Moreover, a great many relationships come under the general term "friendship". In all cases, two

people like one another and enjoy being together, but beyond that, the degree of closeness between

them and the reasons for their interest in each other change greatly.

     At the beginning, much depends on how people meet, and on good first impressions. As we get to

know people, __2__Although these factors are not of the greatest importance, it is more difficult to

have a good relationship with people when there is a big difference in age and background.

     Then, __3__Friends will stand closer together and will spend more time looking at each other than

ordinary friends. Smiles and soft voices also express friendliness, and it is because they may give the

wrong signals that shy people often have difficulty making friends. A friendly look with a wrong facial

expression can turn into an unfriendly stare, and nervousness may be wrongly understood as

unfriendliness.

     Some relationships are a result of argument and discussion, but it is usual for close friends to have

the same ideas and beliefs, the same opinion and interests. The more closely involved people become,

the more they depend on each other. And __4__ Equally, friends have to learn to make allowances for

each other, to put up with annoying habits, and to accept differences in opinion.

     In contrast with marriage, __5__But the support and understanding that results from shared

experiences and affections does seem to create a close and lasting relationship.

A. we are usually friends with only a few.

B. many factors can affect friendship and relationship.

C. people want to do friends favors and hate to let them down.

D. argument and discussion can improve personal relationships.

E. we consider things like age, race, looks, economic and social status, etc.

F. we pay attention to actual behavior, facial expression, and the way a person speaks.

G. there are no friendship ceremonies to strengthen the relationship between two people.

2005年1月6日，我国迎来了（）.

A.12亿人口日

B.13亿人口日

C.14亿人口日

D.15亿人口日