SS7C型电力机车车轮采用乌克兰供中国铁路用粗制（）车轮，避免因制动发热造成轮箍迟缓
题型：填空题
问题：
SS7C型电力机车车轮采用乌克兰供中国铁路用粗制（）车轮，避免因制动发热造成轮箍迟缓。
题型：填空题
词汇应用。
I think life in the year 2050 will be very 1_______ (difference) from life today．Many changes 2 _______ (take) place．What will the changes be?
There will be more people in the world and most of them will live 3_______(long) than today．More
land will be used 4 _______ (build) new towns and houses．
Computers 5 _______ (be) much smaller and 6_______ (use) and there will be at least one in every
home.Computer science will be one of the most important 7 ______ (subject) for students at school．
Working conditions (条件) will be 8 _______ (improve) a lot．9_______(danger) and hard work
will be done by robots．People 10 _______ (have) more time for sports and watching TV．11 _______ (travel) will become much easier because of modern transportation．People will 12 ______ (probable)
go to the moon for vacation．