Unit 9When was it invented?
一．Phrases:
1.这是什么？What’s this ?
是冰淇淋加热勺。It’s a heated ice cream scoop.它是用来做什么的？What’s it used for?
是用来加热冰淇淋的。It’s used for scooping cold ice cream.
它是由谁发明的？Who was it invented ?
是由Chelsea发明的。It was invented by Chelsea.它是何时被发明的？When was it invented ? 是去年被发明的。It was invented last year .2.这些是什么？What are these ? 它们是电池控制的拖鞋。
They are battery-operated slippers.
它们是用来做什么的？What were they used for ?
是用来在黑暗中照明的。They were used for seeing in the dark
它们是由谁发明的？Who were they invented by ? 是由Julie发明的。They were invented by Julie.它们是何时被发明的？When were they invented ?是1980发明的。They were invented in 1980.3.最有用的发明 the most useful invention
4.最令人讨厌的发明the most annoying invention 5.由于错误 by mistake
6.使顾客高兴 make customers happy
7.一个名叫乔治的厨师a chef called George
8.把…撒到…上potato chips)
9.偶然地，意外地 by accident /by chance10.根据…according to
11.根据一个古老的传说according to an ancient legend12.超过，多余more than /over13.烧开水boil drinking water
14.把…分成…divide …into…15.这样，用这种方法in this way
16.产生一种令人愉悦的香味 produce a pleasant smell
17.周游中国travel around China18.与…相撞knock into sb19.掉进…fall into …20.跌倒，摔倒fall down
21.从…掉下fall off …22.爱上…fall in love with…
23.投篮球 get a ball into the basket
24.一张掉在铁圈下的网a net hanging from a metal hoop 25.从篮下投球shoot from below the basket 26.引导…进入…guide …into…27.朝篮球场的一端运动
move towards one end of the court
28.传球 throw the ball to each other29.自那时起since then
30….的数目the number of31.许多…a (great/number) number of
32.梦想做某事dream of doing sth33.微波炉 microwave oven
34.被用来做… be used for doing sth35.被当作…来用be used as sth.
36.在一个小岛上on a tiny island37.西方世界the western world38.直到…才…not… until39.在户外的火上over an open fire
40.停留在那里一段时间remain there for some time41.飞盘flying disk
42.尝起来味道好taste good/nice/delicious43.尝一尝(某物) have a taste(of sth)44.尝某物taste sth
45.有鸡的味道taste of chicken46.酸的味道the sour taste
47.在六世纪in the sixth century48.在一九九几年in 1990s
49.在他20几岁时in his twenties51.出生于…be born in /on…
50.一百年多一点a little over a hundred years old52.在长长的冬季期间during the long winters
53.据说it is believed that …./it is said that ….54.个人电脑personal computer55.上上下下up and down 56.心情不好in a bad mood
57.告诉某人关于某事tell sb about sth.(tell sb (not)to do sth)
二．Grammar:（各种时态的被动语态：be+p.p）
