Sounds great!
What a pity!
Guess what?
Are you serious?
第1题:
more enjoyable things
a comfortable computer room
a place to switch off from the lessons
第2题:
削铅笔时,刀片变热是通过做功改变内能的
静止在壳体内的铅笔屑,受到的力相互平衡
卷笔刀的外壳平滑无尖锐棱角,是为了增大对接触物的压强
卷笔刀外壳的手握处设计了一些凸起的颗粒,目的是为了增大摩擦
第3题:
noticed
marked
signed
recorded
第4题:
An invitation letter
A company’s job offer
An official photo identification
An official immigration permit
第5题:
when
before
since
after
第6题:
第7题:
feelings
pollution
harm
mistakes
第8题:
Their behavior.
Their size.
Their number.
Their weight.
第9题:
第10题:
must not
can’t
may not
needn’t