依次填入下列语段中横线处的词语，最恰当的一项是 我们都知道，现在“种花”已经不能仅凭劳动力和气候来________收益了。如果没有优良的花卉品种、先进的栽培技术、专业规模和品牌，________有再好的气候和再廉价的劳动力，也无法带来产业的快速 ，因而要获得更大的产业效益，则与科技进步、资金投入 。

It was at that school ______ he realized his dream ______ he was going to be a teacher.

ing to a recent U.S. survey, children spent up to 25 hours a week ____ TV.

do you think of his speech at the court—Er, sorry, I ________ about something else

Please ______me _______984-3351.