( 1 ) 若 a < b ,则 a c < b c . ( ) ( 2 ) 若 a c > b c ,则 a > b . ( ) ( 3 ) 若 a > b ,则 a c 2 > b c 2 . ( ) ( 4 ) 若 a c 2 > b c 2 ,则 a > b . ( ) ( 5 ) 若 a > b ,则 a ( c 2 + 1) > b ( c 2 + 1) . ( )
【简答题】Mike worked in an office in a small town, One
day his boss said to him, “Mike, I want you to go to Richmond, to an office
there, to see Mr. Shute. Here’s the address.” Mike went to Richmond. When he w...
【简答题】根据图画内容,把下列句子重新排序,组成对话。首句已给出。 Excuse me, could you tell me how I can get to the library? A. Go to the end of the street. B. Go straight ahead. Turn left at the first corner. C. And then you can see the...
【简答题】听录音,补全对话。 A. post office B. east C. Excuse me D. left E. right Mike: 1___________. Where is the 2___________? Sarah: It's 3___________ of the cinema. Mike: And then? Sarah: Turn 4_________...
【简答题】Fill in the blanks with the correct words and phrases from the word bank. 30th Avenue, 21st of July, second building, first, three blocks, 1 The program begins on the _____________________ . 2 The ban...