问题
选择题
下列各组物质按混合物、化合物、单质顺序排列的是( )
A.天然气、碱式碳酸铜,空气
B.纯碱、大理石、稀有气体
C.熟石灰、水煤气、水银
D.稀硫酸、火碱、金刚石
答案
答案:D
下列各组物质按混合物、化合物、单质顺序排列的是( )
A.天然气、碱式碳酸铜,空气
B.纯碱、大理石、稀有气体
C.熟石灰、水煤气、水银
D.稀硫酸、火碱、金刚石
答案:D
完形填空。 | |||
Jane really likes action movies __1__ she often goes to see __2__ action movies. She thinks they are very __3__ . She thinks documentaries are __4__ , so she doesn't like them. She thinks__5__ scary. She __6__ Beijing Opera. Some people don't like __7__ , but she thinks it very __8__, She thinks she can learn about Chinese history. She __9__ her friends __10__ see Beijing Opera, because they are good friends. | |||
( ) 1. A. or ( ) 2. A. China ( ) 3. A. exciting ( ) 4. A. boring ( ) 5. A. he is ( ) 6. A. also like ( ) 7. A. one ( ) 8. A. boring ( ) 9. A. and ( ) 10. A. wants | B. but B. Chinese B. excited B. interesting B. she is B. likes also B. it B. excited B. with B. want | C. and C. an English C. an exciting C. exciting C. it is C. also likes C. Beijing Opera C. interested C. or C. wants to | D./ D. a Chinese D. a exciting D. interested D. they are D. like also D. them D. interesting D. for D. want to |