巴西境内1/3为 平原，该平原以 气候为主，2/3为 高原，该高原以 气候为

阅读理解。

     A young girl sits at her desk, reviewing her homework for the evening. English: Read three chapters

and write a report. Math: Complete 30 problems. Science: Do a worksheet, front and back. French: (A)

Study new words for tomorrow's test. It's going to be a long night.

     This happens to students in America. Now it's time to start a homework revolution (变革).

      Do students in the United States receive too much homework? According to the National Education

Association, a student should be assigned (布置) no more than 10 minutes per grade level per night. For

example, a first grader should only have 10 minutes of homework, a (B)_______ grader, 20 minutes, and

so on. This means that a student in my grade-seventh-should have no more than 70 minutes of work (C)

each night. Yet this is often doubled, sometimes even worse!

     It's no good giving students too much homework. According to research, kids are developing more

illness at school, such as stomachaches, headaches and sleep problems than before.

     Everybody (D)_______ that teachers are the ones who assign homework, but they are not the only ones

to blame (受责备). "Many teachers are under greater pressure (压力) than ever before," says Kylene Beers,

President of the National Council for teachers of English," Some of (E) it comes from parents, some from

the wish for high scores on tests." Teachers who are under pressure feel the need to assign more homework.

     Some people have different ideas, saying that homework prepares kids for doing better in high school,

better in college, and (F) 今后找到更好的工作. But too much homework is sapping students' strength,

curiosity (削弱学生的个性和好奇心), and most importantly, their love of learning, is that really what teachers

and parents want?

1. 写出文中画线部分(A)和(C)的同义词或近义词：_________  _________

2. 在文中(B)和(D)的空白处分别填入适当单词： _________  _________

3. 文中画线部分(E)指代的是：_________

4. 将文中画线部分(F)译成汉语：_________

5. 从文中找出能说明本文主旨大意的中心词：_________

4.25保留整数应写成4.00．______．（判断对错）

2012年欧洲骨髓移植登记处（EBMT）推荐的套细胞淋巴瘤的标准治疗方法包括（）

A.在第1次完全缓解（CR1）时进行人类白细胞抗原（HLA.相合的无关供者异基因造血干细胞移植

B.在CR1时进行自体造血干细胞移植

C.在≥第2次完全缓解（CR2）时进行HLA相合的无关供者异基因造血干细胞移植

D.在≥CR2时进行自体造血干细胞移植

E.对难治性患者进行自体造血干细胞移植

网络学习空间的用户层是（）（）

A.通过终端设备经Internet向空间服务提供商获取服务

B.是由一些特定的控制和任务高度算法组成

C.负责将物理层的分布式硬件资源虚拟成一个整体集合，提供资源的分布式处理与存储

D.包括各种计算资源及存储资源