“一旦强虏寇边疆,慷慨悲歌上战场。”抗日战争时期八路军组织发起的重大战役是( )
①平型关大捷 ②台儿庄战役 ③百团大战 ④平津战役
A:①②③
B:①③
C:②③④
D:②④
12÷2=____
12÷6=____
下面的句子中每句都有两个错别字,把它们找出来填入表中,然后改正。
①峰峰都是瘦骨鳞峋的,却又那样玲珑剃透,千奇百怪,有的像大象在江边饮水……
②水面平得像玻璃,满江就会画着一片一片淡墨色的山影,晕糊糊的,使人晃惚沉进最甜静的梦境里去。
错别字:____ ____ ____ ____
改 正:____ ____ ____ ____
There are all kinds of machines. They 1 in many different ways. One kind of machine is called a computer. A computer can do many things. A computer can do math problems. People can also do math problems. But they cannot do it 2 a computer. Computers remember things. Computers do 3 people tell them. People cannot remember as many things as computers. Computers help tell 4 the weather will 5.Computers help fly rockets and spaceships. These are 6 of ways computers are used. They are used in7 ways. Some computers do just 8 things. Some computers can do a lot of things. There are 9 computers. There are big computers. There may be computers in your school. Do you 10 what they do?
读图,安第斯山脉南段图及A、B两地的气候资料图,回答下列问题。