A:17
B:27
C:16
D:14
计算:
(1)(﹣13)﹣2+(136)0+(﹣5)3÷(﹣5)2;
(2)(2xy2)3﹣(5xy2)(﹣xy2)2.
根据句意和汉语提示写出单词, 完成句子。
–How far is it from the railway station to the hotel?–It's about ______ walk.
Jack spends much money on books ________ he is not so rich.