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digital

意為“數(shù)字的”，作形容詞。digital是在名詞digit的基礎(chǔ)上加上后綴-al構(gòu)成的。即：n．＋-al＝adj．。又如：educational。

你能寫出幾個相同結(jié)構(gòu)的詞嗎？________　________　________

spacesuit

spacesuit是由space和suit構(gòu)成的，英語中稱之為合成詞。又如：sunglasses。請你寫出幾個合成詞：________　________　________

store

1)n．shop

e．g．There were not so many ________ around here before．

2)n．a(chǎn) supply of something kept for use in the future

e．g．This animals makes a ________ of nuts for the winter．

3)to keep something somewhere for future use

e．g．Dried food can be ________ for many months．

pack

1)v．to put things into a case or other container

e．g．Could you ________ me a few sandwiches?

She ________ her bags and left．

2)n．a(chǎn) large bag which goes on your back and in which you can carry things

e．g．The power ________ provides energy for the spacesuit．

hard

1)adj．firm and stiff

e．g．This cheese is as ________ as rock．

2)adj．difficult to do or understand

e．g．The problem is very ________．I can't work it out．

3)adv．making a great effort

e．g．He worked so ________ at his lessons that he passed the exam．

4)adv．strongly or heavily

e．g．It's raining ________ and ________

It was snowing ________ when I got there．

與你的同伴思考一下在火星上生活的優(yōu)勢與劣勢。

fashionable

意為“流行的；時髦的”，作形容詞。fashionable是在名詞fashion的基礎(chǔ)上加上后綴－able構(gòu)成的。即：n．＋－able＝adj．。又如：comfortable。

你能寫出幾個相同結(jié)構(gòu)的詞嗎？________　________　________

scientist

意為“科學(xué)家”，作名詞。scientist是在名詞science的基礎(chǔ)上加上后綴-ist構(gòu)成的。即：n．＋-ist＝n．。又如：artist。

你能寫出幾個相同結(jié)構(gòu)的詞嗎？________　________　________

taste

1)v．to judge the taste of food or drink by putting a little into your mouth

e．g．Do you want to ________ the wine?

The fish ________ nice．

2)n．[C;U]the sensation of saltiness, sweetness and so on that you have when something is put in your mouth

e．g．This dish has a nice ________．

Have a ________ of the soup and tell me what you think．

tie

1)n．a(chǎn) band of cloth worn round the neck and tied in knot at the front

e．g．Most young men don't like wearing ________．

2)v．to fasten by drawing together and knotting

e．g．He ________　his horse to a big tree．

The little boy isn't able to ________ own shoe laces．