词根:
air,aer【L.】空气
记忆单词:
air [eə(r)] n. 空气,天空 vt.使通风
* airplane/aeroplane [ˈeəpleɪn] n.飞机
* aircraft [ˈeəkrɑ:ft] n.飞机航空器
* airline n.①航空公司 ②(飞机的航线)
* airport n.机场,航空站
△ airmail [ˈeəmeɪl] n.航空邮件,航空邮政
△ aerospace [ˈeərəʊspeɪs] n.太空,宇宙空间
* atmosphere [ˈætməsfɪə(r)] 【atmo=air+sphere范围】
n.①大气,大气层 ②空气 ③气氛
△ atmospheric [ˌætməsˈferɪk] a.大气的,空气的
从上面所给的词中选择一个意义恰当的词的正确形式填空。
(以后练习均同此)
1.We the room by opening the windows.
2.Birds fly through the .
3.Which are you travling by?
4.I shall send this parcel by .
5.This is her first flight in an .
6.We landed at a small .
7.He is an engineer.His work is to design rockets.
8.He grew up in an of love and trust.
(明日公布答案哦~)
词根:
add【L.】=put ,join 加,增添
记忆单词:
* add [æd] vt. ①加,添加 ②进一步说(或写)
vi.(to)添加
* addition [əˈdɪʃən] n.①加,加法 ②附加物
* additional a.附加的,另外的
从上面所给的词中选择一个意义恰当的词的正确形式填空。
(以后练习均同此)
1.Susan is studying French and history and in she's taking piano lessons.
2.Thirteen to seven is equal to twenty.
3.The cost of the building up to 100 million American dollars.
4.This problem is to their major financial anxieties.
答案公布:1.addition 2.added 3.added 4.additional
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