正文
VOA慢速英语:'Green Super Rice' About Two Years Away for Asia, Africa
Two Years Away还有两年的时间,也可以说,in about two years time
2.That way they avoided the costs as well as the problems connected with getting permission to plant genetically engineered crops.
as well as用法
(1)as well as 可连接并列的单词或短语。例如:
It is unpleasant in summer as well as in winter.
夏天不好过,冬天也不好过。
The child is lively as well as healthy.
这孩子既健康又活泼。
(2) as well as 连接两个谓语动词时,它们的时态应保持一致。例如:
He publishes as well as prints his own books.
他的书是他自己印刷出版的。
We are repairing the roof as well as painting the walls.
我们在粉刷墙壁同时也在修理屋顶。
as well as 与动词连用时,其后可用V-ing形式,尤其as well as 位于句首时,此时相当于in addition to。例如:
As well as breaking his leg, he hurt his arm.
他不但摔断了腿,而且还伤了胳膊。
She sings as well as playing the piano.
她不但会弹钢琴,而且会唱歌。
(3) 如果as well as 前面是动词不定式,那么其后的动词也是不定式,但to要省略。例如:
You cannot expect her to do the housework as well as look after the children.
你不可能叫她既照顾孩子又做家务。
(4)由as well as 连接的复合主语并不影响谓语动词的数。例如:
Helen as well as I is eager to see the performance.
海伦和我一样急于要看演出。
I as well as they am ready to help you. 不仅他们愿意帮助你,我也愿意帮助你。
3.And farmers may be too poor to buy chemical fertilizers and pesticides.
1)too…to 太…以至于…
He is too excited to speak.
他太激动了,说不出话来。
---- Can I help you ? 需要我帮忙吗?
---- Well, I'm afraid the box is too heavy for you to carry it, but thank you all the same. 不用了。这箱子太重,恐怕你搬不动。谢谢您。
2) 如在too前有否定词,则整个句子用否定词表达肯定, too 后那个词表达一种委婉含义,意 为"不太"。
It's never too late to mend. (谚语)
改过不嫌晚。
3) 当too 前面有only, all, but时,意思是:非常… 等于very。
I'm only too pleased to be able to help you. 我非常高兴能帮助你。
He was but too eager to get home. 他非常想回家。
4.Many of the traits are present, but they are not turned on until you get them into the right genetic background, or sometimes in the right environment.
turn on开启,显现
例句:Turn on the charm.
显露出魅力
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