这个标志是何含义?() A.直行和左转弯行驶 B.直行和右转弯行驶 C.立体交叉直行

题型:单项选择题

问题:

这个标志是何含义?()

A.直行和左转弯行驶

B.直行和右转弯行驶

C.立体交叉直行和右转弯行驶

D.立体交叉直行和左转弯行驶

考点:机动车驾驶人考试基础知识理论考试(科目一)客车
题型:单项选择题

某高层框架结构,乙类建筑,高度26m,抗震设防烈度6度,场地类别为Ⅲ类,柱的断面为600mm×700mm,混凝土强度等级为C30。已知:底层框架柱在竖向荷载作用下的轴向力设计值为4500kN;在风荷载作用下的轴向力设计值为1400kN。该柱的轴压比为()项数值。

A.0.56

B.0.76

C.0.71

D.0.89

题型:单项选择题

阅读理解。

                                                              The Inventions

       Paper was first made in the year 105. It was made by a Chinese named Cai Lun.

       For over 500 years paper was made only in China. People in Japan learned of paper around the year

   600. As years went by, people in other places began to make paper.

       The lead pencil is not made of lead. It is made of graphite. People found graphite in 1564. They

  thought it was a kind of lead. Today we still call pencils "lead pencils". The first pencils were made by

  putting strings around sticks of graphite.

       The first wooden pencils were made by Kasper Faber in Germany in 1761.

       Erasers like those we use today were first made in France by a man named Magellan in 1752. It was

   Hyman L. Lipman who first put eraser on the ends of pencils. And that is how the pencils came to be.

1. How many years earlier was paper made in China than in Japan?

A. About 100 years.          

B. About 400 years.

C. more than 500 years.      

D. 495 years.

2. Germans made paper _____.

A. earlier than Japan          

B. later than Japan

C. as early as Japan          

D. as late as Japan

3. At first pencils were made of _____.

A. wood                    

B. lead

C. sticks                    

D. strings and graphite

4. Kasper Faber was _____.

A. an Englishman            

B. a Frenchman

C. a German                

D. an American

5. Which of the following statements is NOT true?

A. Paper was first made in China.

B. Graphite isn't a kind of lead.

C. The first wooden pencils were made in Ger many.

D. Hyman L. Lipman made the first erasers.

题型:单项选择题

下列属于动物行为的是 [ ]

A.家兔心脏不停地跳动   

B.家犬见生人狂吠不止

C.小牛逐渐长成大牛      

D.蜜蜂分为蜂王、工蜂和雄蜂

题型:单项选择题

生菜腐烂病在结球叶表面2~3层叶上产生()病斑。

A.脓状

B.水渍状

C.灰黑色

D.褐色

题型:单项选择题

在实际运用中,雷达液位计有()方式。

A、调频连续波式和脉冲波式

B、热辐射式

C、蓝牙式

D、以上全部

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