在图10-27所示电路中,电源为正弦电压,电压表V1的读数为50V,V的读数为100V,则V2的读数为()V。
A.50
B.70.7
C.86.6
D.35
参考答案:C
阅读综合填空。
Every morning, Jim (1)g______ to work by bus. As (因为) he has a long way to go, he always
(2)b______ a newspaper.It helps him to make the time pass (过) more (3)q______. He reads the
sports page. There is a report on an important football (4)m______. He is so interested in it that he
forgets to get (5)o______. He knows this when he looks (6)o______ of the window and sees the
sea. He gets off at another station and (7)h______ to wait a long time for a bus back. Certainly, he
is very (8)l______. His boss (老板) is very angry. He shouts at (9)h______. "Don't (10)b______
late next time."
某中学为使学生对中国革命的艰巨性和曲折性有一个基本的理解,培养学生团结合作的精神和不畏困难、为理想奋斗的坚强意志,决定暑假期间组织学生进行“红色旅游,重走长征路”,他们选择的路线应是[ ]
A.瑞金—金沙江—大渡河—赤水—吴起镇
B.瑞金—大渡河—金沙江—赤水—吴起镇
C.瑞金—赤水—金沙江—大渡河—吴起镇
D.瑞金—大渡河—赤水—金沙江—吴起镇