词形变换（10分）1.Wouldyouplease(help)mewithmyEnglish?2.Lucykepton(ask)theteacherstrangequestions.3.Theoldmanlookedathisson(angry).4.Almosteveryonelikes
词形变换（10分）
1.Would you please____________________(help) me with my English?
2.Lucy kept on _______________(ask) the teacher strange questions.
3.The old man looked at his son__________________(angry).
4.Almost everyone likes__________________(taste) food.
5.They had a good time_________________(play) football.
6.Be quiet! The students _____________ (have) an English class.
7.You’d better_________________ (not go) out.
8.He told me________________ (not talk) in class.
9.David Beckham and Yao Ming are my _________(hero). They are my favorite players
10.Our English teacher is very __________ (humour) in class.
1.help
2.asking
3.angrily
4.tasty
5.playing
6.are having
7.not go
8.not to talk
9.heroes
10.humorous
(-1又5分之2)2-(-0.1)3-丨-7分之2丨2-3（3）÷（-3）2-3分之1×（-3）3( 2020-03-31 …
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1/1,-1/2,-2/1,1/3,2/2,1/3,-1/4,-2/3,-3/2,-4/1,1/5 2020-04-09 …
S=(1+1/1*2+(2+1/2*3)+(3+1/3*4)+...+(20+1/20*21)S= 2020-04-27 …
1*2+2*3=1*(2*3)/3+3*(2*3)/3=2*3*4/31*2+2*3+3*4=2* 2020-05-13 …
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已知1^3=1=1/4*1^2*2^2；1^3+2^3=9=1/4*2^2*3^2；1^3+2^3 2020-07-19 …
已知1^3=1=1/4*1^2*2；1^3+2^3=9=1/4*2^2*3^2；1^3+2^3+3 2020-07-19 …
观察下列各式：1^3+2^3=1+8=9,而(1+2)^2=9……观察下列各式：1^3+2^3=1+ 2021-01-01 …