LOSTA white cat with two big blue eyes. If you find it,please call Sam at 385-0926. Many t

LOST

A white cat with two big blue eyes.

If you find it,please call Sam at 385-0926.

Many thanks.

Titanic 3D

Saturday and Sunday

Showtime Cinema

$20(half for children under 12)

Call David at 332-5147.

BOOK SALE

A Christmas Carol

—by Charles Dickens

A story of Christmas

The true meaning of Christmas

was $59.60

now $29.60

HOUSE FOR RENT

2 sunny bedrooms with a kitchen.

$500 a month

Call Mary at 591-3127 for more information.

答案

1A 2D 3C 4B 5C

下列关于“用高倍显微镜观察叶绿体和线粒体”的实验说法，错误的是( ) A．健那绿是一种活性染料，几乎不损伤细胞 B．高倍显微镜下，看到线粒体和

下图是我国黄河两岸a、b、c、d 4个物种及其演化关系的模型，请据图分析下列说法错误的是( ) A．a物种最终进化为b、c两个物种，经历了从地理隔

小行星带位于 A．水星与金星的轨道之间 B．火星与金星的轨道之间 C．火星和木星的轨道之间 D．木星和土星的轨道之间

粗细均匀，两端封闭的细长玻璃管中，有一段水银柱将管中气体分为A和B两部分，如图8-2-9所示.已知两部分气体A和B的体积关系是Vb=3Va,将玻璃管温度均升

真核细胞的直径一般在10～100微米之间。真核生物体细胞的体积趋向于小的原因是( ) ①受细胞所能容纳的物质制约 ②相对面积小，有利于物质

I have read a large part of the book, the rest ______ more difficult. A. had beenB. have been C. areD. is

I took the wrong train ________ , I didn't even know it until half an hour later. A. by mistakes B. by mistake C. with mistake D. with mistakes

如图4所示为一质点做直线运动的速度－时间图象，下列说法正确的是( ) A．整个过程中，CE段的加速度最大 B．整个过程中，BC段的加速度最大 C．整个