精灵球有几种:They produced ____electricity this year than last year.

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1.They produced ____electricity this year than last year.
A.a great deal of B.much more
为什么选B呢?好象和比较级有关,但我真的不懂.

2.worth,worthy有什么不同

1 因为有than last year所以用比较级，A不是比较级

2 worth [简明英汉词典]
prep.相当...价值
n.价值, 财产
adj.值钱的, 值的看中的

worthy [简明英汉词典]
n.杰出人物, 知名人士
adj.有价值的, 应...的, 可敬的, 值得的, 相称的

词性不同；用法不同：

1. be worth doing
eg. The book is worth reading
2. be worthy of being done /be worthy to be done
eg. The book is worthy of being read /to be read.

than用比较级
BE WORTH DOING]

BE WORTHY OF DOING

1.A本来就指很多,并没有比较的意思.而B,则为更多之意,明显是比较的色彩.
2.worth ; worthy

worth doing sth.= be worthy of doing sth.

This year they have produced ____rice ___they did last year. This year they have produced ____rice ___they did last year. They produced ____electricity this year than last year. script produced no output script produced no output ,请求高手解决 Warning: Empty job. No PDF file produced. Tons of rice straws were produced in Yangtz-Huaihe area! they hoped to find buried treasure.they hoped they ( )it They wanted to learn _____ they could They each --- two coats