战国时期,诸子各派外出游说、讲学时,随身携带的各种著作和典籍往往要用车为搬运,很

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战国时期,诸子各派外出游说、讲学时,随身携带的各种著作和典籍往往要用车为搬运,很不方便。后来促使这一现象发生根本变化的发明是[ ]

A.造纸术

B.火药

C.印刷术

D.指南针

考点:纸的发明和蔡伦改进造纸术
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快过年了,婷婷帮妈妈打扫房间卫生,她让妈妈多休息一会儿;郑浩经常帮妈妈做饭,还夸夸妈妈的烧菜手艺;李钢的爸爸是个清洁工人,他帮爸爸打扫卫生,让爸爸早点回家;年夜饭家里做了大虾,吃饭时董雷先夹给爷爷奶奶和爸爸妈妈吃。上述事例说明[ ]

A.孝敬父母要从小事做起

B.孝敬父母就要做惊天动地的大事

C.只要学习好,就是孝敬父母

D.明白孝敬父母的道理,就是孝敬父母

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在人体实验中使用对照组、安慰剂和双盲法()

A.是人体实验的重要方法

B.是对病人的一种欺骗

C.是违背人道主义原则的

D.是违背知情同意原则的

E.会损害受试者利益

题型:选择题

The Reading Club meets in the library after school. We read and talk a___86____ English story books. It is a lot of fun. I tell the o____87___ students about good books. Then, they tell me about their f____88___ books. We also learn about new books and choose what we want to r____89__ next. We can read books alone, or we can listen to recordings of storybooks on CDs. I like l____90____ to stories on CD. I can hear many d___91____ voices and sounds. This h___92____ me speak and understand English.

S____93_____ we read books in pairs. Students in Grade 9 help me read difficult books. They tell me what the words mean and help me understand. This is very h___94____. I like to learn f____95___ the older students.

题型:选择题

领带衬布质量要求、厚实感、手感柔软、有弹性、耐洗性能()。

A、较好

B、良好

C、差

D、较差

题型:选择题

考虑到交通轴线对简单同心模式的影响,霍伊特(Homer Hoyt)在同心圆模型基础上发展产生了( )。

A.城市土地利用的多核心模式

B.环形模式

C.放射扇形模式

D.同心圆城市理论

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