我的课后生活的英语作文20字【一】
A、1km=（）m1m=（）dm1dm=（）cm1cm=（）mm
B、1m=（）cm1m=（）mm1dm=（）mm
A、1m2=（）dm21dm2=（）cm21cm2=（）mm2
B、1m2=（）cm21m2=（）mm21dm2=（）mm2
A、1t=（）kg1kg=（）g1元=（）角1角=（）分
B、1t=（）g1元=（）分
②知道147cm、1m47cm、1。47m，它们之间的联系和区别。
这三个数量表示的多少都是一样的。
只不过单位不一样。147厘米和1。47米只有一个单位。像这样只有一个单位的`名数叫做（）。
1米47厘米有两个单位。像这样有两个获两个以上单位的名数叫（）。在这个复名数中，米是（）。厘米是（）。
③复名数转化成单名数。
（在复名数中，高级单位前面的数不动，只需要把低级单位前面的数除以进率，最后将结果与高级单位数合并。也可以把低级单位的数不动，用高级单位数乘进率，再把结果与低级单位数合并。）
④小数转化成复名数：小数点前是高级数
我的课后生活的英语作文20字【二】
小数点后改成低级数
⑤单名数之间的转换：×进率
我的课后生活的英语作文20字【三】
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Different people have different views on_____.Some people think that_____,whereas others aegue that __________.
As far as I am concerned, I agree with the opinion that ___________.For one thing,I firmly believe that ___________.For another,_____________.Just think of________,who/which_______.
Taking all these factors into consideration,we may safely come to the conclusion that______.Only if_______can we _______,just as the saying goes,________________.
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In recent years there have been many reports of ________.It turns a new chapter of _________in China,and will have far-reaching effects in the forthcoming years.
The biggest benefit,in my eyes,is that_______.In addition,_______.Finally,______________.
Apart from the benefits mentioned above,we should also face several unavoidable challenges.In the first place,_____________.In the second place,________.What’s more,_______________.In summary,we should_______________.
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Nowadays more and more ______are commonly and widely used in everyday life,ranging from __________to_____________.
The popularity of _______will have a great influence on ______.On the one hand,_________.On the other hand,__________.
To conclude,____________are just like a double-edged sword.With them we may________.However,one point should be kept in mind that we should make sensible use,always being a master instead of slaving of them.
