A:莫名其妙有仙则名解说:两个“名”字含义不同,“莫名其妙”的“名”是“说出”的意思;“有仙则名”的“名”是“著名、出名”的意思。
B:三顾茅庐枉驾顾之解说:两个“顾”字的含义相同,“三顾茅庐”的“顾”和“枉驾顾之”的“顾”都是“拜访”的意思。
C:小恩小惠汝之不惠解说:两个“惠”字含义不同,“小恩小惠”的“惠”是“恩惠”的意思;“汝之不惠”的“惠”通“慧”,“聪明”的意思。
D:欲盖弥彰以彰其咎
根据材料内容,选择正确答案。
There are 50 students in Class 8. Now they are doing a survey about how they spend their pocket money. Some spend it on books, and others spend it on visiting. What about you? Please read the form and answer the questions.
10%
55%
12%
13%
Buy some CDs and computer games.
Buy some snacks and drinks.
Buy some books in the bookshop.
Save it up and spend it traveling on holiday.
Buy some gifts for friends.
先化简(2x﹣1)2﹣(3x+1)(3x﹣1)+5x(x﹣1),再选取一个你喜欢的数代替x,并求原代数式的值.