钢号用以表示钢的类别和（）。

阅读理解。

     This is Linda's room．It's a nice room．It's very clean (干净的)．

     I can see a brown bed．A photo of a boy is on the wall．Can you see a brown desk? Yes, it's in the

room, on the left (在左侧)．A green chair is on the floor．Some books and blue pens are on the desk．Linda's lamp (灯)is on the desk, too．It's a pink lamp．

     Where is Linda? Is she in the room? No, she isn't．She is at school．

1．Linda's room is ______．

A．not nice

B．not clean

C．nice and clean

D．not clean or (或者)nice

2．______ is on the wall．

A．A photo of a girl

B．A photo of a boy

C．Some pictures  

D．Two pictures

3．______ are on the desk．

A．Some books, blue pens and a lamp

B．Some books, red pens, a bag and a lamp

C．Some green pens, a bag and a lamp

D．A bag, a book, a blue pen and a lamp

4．—What's the color of the lamp?

      —It's ______．

A．brown

B．blue

C．green

D．pink

5．Linda's __________ is (are) NOT in the room．

A．school bag

B．bed and desk

C．books and a chair

D．pens and lamp

间歇培养微生物的减速生长期，微生物的比生长速率小于零。

何谓接地电阻？

“我们说，改革是中国最大的红利，现在要让这个‘利’更多地落在百姓身上。”2013年1月5日，在国务院医改领导小组第十二次会议上，中 * * 政治局常委、国务院副 * * 李克强铿锵有力地告诫与会人员。要让这个‘利’更多地落在百姓身上体现了（）

A.科学发展观的核心是以人为本，要让人民共享发展成果

B.科学发展观的第一要义是发展

C.科学发展观的根本方法是统筹兼顾

D.科学发展观的基本要求是让人民得到实惠