关于颈动脉窦的描述哪项是错误的A．是颈内动脉起始处或颈总动脉分叉处的膨大部分B．窦壁

阅读理解，用T表示对，F表示错。

      We call the Chinese New Year the Spring Festival. There's a name for each Chinese year. We may call it the

year of the monkey. The year of the horse, of the sheep. And this year is the year of the rabbit.

      Before New Year's Day, people are busy shopping and cleaning the houses. On New Year's Eve, there's a

big family dinner. After it, all the family stay up late to welcome the New Year. Then people put on their new

clothes and go to see their friends. They say " Happy New Year " each other.

( ) 1. Spring Festival is Chinese New Year.

( ) 2. The people put on the new clothes on Spring Festival.

( ) 3. People say " Happy New Year " each other.

( ) 4. We can find every Chinese year is given an animal or a plant name.

如图所示，各图标出的力F₁、F₂，它们间相互平衡的是（　　）

A．

B．

C．

D．

等高线按其作用不同分为（）。

A、抛物线、曲线、双曲线三种

B、抛物线、双曲线、间曲线、助曲线四种

C、首曲线、计曲线、间曲线、助曲线四种

D、首曲线、计曲线、双曲线三种

建筑装饰装修工程制图中，尺寸单位除标高及总平面图外，其他尺寸必须以（）为单位，所以图纸上只注写数字，不注写单位。

A.米

B.厘米

C.分米

D.毫米

申请实验动物使用许可证时，实验动物饲育环境及设施必须符合国家标准。