singer A．single B．language C．stronger D 发布时间：2017-07-01 21:25 │ 来源：www.tikuol.com 题型：选择题 问题： singer A．single B．language C．stronger D．bringing
题型：选择题 完形填空. Last Sunday the Browns went to the park. They got home very late. Father opened the front door and they all went __1__ the house. It __2__ dark, so Mother __3__ the light. On the way __4__ their bedroom, Mother said, "__5__, John! I can hear someone in the bedroom. " They all stood __6__ outside the bedroom. They could __7__ some voice (声音) in the room. " You are right," said Father,"There're two men here. They are __8__." Then he shouted (高喊), "__9__ is there?" But no one answered. Father opened the door quickly and turned on the light. The room was empty. Then Father found something and laughed. "The radio is still on! I __10_ turn it off this morning. " Father said, "Because I forgot it."( ) 1. A. it ( ) 2. A. was ( ) 3. A. turned down ( ) 4. A. with ( ) 5. A. Hear ( ) 6. A. quiet ( ) 7. A. listen ( ) 8. A. talking ( ) 9. A. Who ( ) 10. A. don't B. to B. is B. turned on B. for B. Heard B. quick B. listen to B. talk B. What B. didn't C. onto C. are C. turned off C. to C. Listened C. quickly C. heard C. tell C. Which C. doesn't D. into D. were D. turned up D. about D. Listen D. quietly D. hear D. speaking D. Whom D. not 查看答案
题型：选择题 金属铁分别与单质Cl2和Br2反应可得无水FeCl3和FeBr3，当把铁粉与碘粉混合一起研磨时，生成相当于Fe3I8的产物，则在此产物中铁的化合价是________；若将Fe3I8改写成常见碘化物的形式，其化学式为是_________________。 查看答案