我国在江苏、浙江的一些海滩上引种栽培大米草，主要因为大米草是

【名词&注释】

开发利用(development and utilization)、经济模式(economic model)、沙尘暴(sandstorm)、温室效应(greenhouse effect)、经济学家(economist)、自然界(nature)、火山爆发(volcanic eruption)、纤维植物(fibre plant)

[单选题]我国在江苏、浙江的一些海滩上引种栽培大米草，主要因为大米草是一种优良的( )。

A. 杂粮作物
B. 牧草
C. 纤维植物^{(fibre plant)}
D. 海滨先锋植物

查看答案&解析

举一反三：

[单选题]英国著名经济学家K?E?博尔丁把对自然界^(nature)进行掠夺，破坏式开发利用的经济模式称为“牧童经济”，下列现象不是由“牧童经济”模式造成的是

A. 沙尘暴频发
B. 火山爆发^{(volcanic eruption)}
C. 温室效应加剧
D. 湿地内物种减少

[单选题]You may use the room as you like ___ you clean it up afterwards.

A. so far as
B. so long as
C. in case
D. even if

[单选题]

A. radio
B. television
C. stage
D. bed

[单选题]You park here! It’s an emergeney exft.

A. wouldn’t B． necdn’t
B. coukln’t
C. mtontn’t

[单选题]45

A. until
B. as
C. before
D. unless

[单选题]The word “leftovers” in Paragraph 1 probably means__________.

A. food remaining after a meal
B. things left undone
C. meals made of vegetables
D. pizza topped with fruit

[单选题]Not until I came home last night ________ to bed.

A. Mum did go
B. did Mum go
C. went Mum
D. Mum went

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