单项选择题

我国北方用“温室大棚”能够反季节种菜,原因是改变了下面条件中的()

A.热量
B.水分
C.土壤
D.光照

热门 试题

未分类题
&8226;Read the text below about consumer electronics model.&8226;In most of the lines 34--45 there is one extra word. It is either grammatically incorrect or does not fit in with the meaning of the text. Some lines, however, are correct.&8226;If a line is correct, write CORRECT on your Answer Sheet.&8226;If there is an extra word in the line, write the extra word in CAPITAL LETTERS on your Answer Sheet. Interconnect Your Home Correct If the Consumer Electronics Show (CES) in Las Vegas is any indication, this willcome be the year of PCs going from the desktop and come into your hand, your living34 room, or your kitchen appliances. The idea of interconnectivity is emerged as a35 central theme at the massive trade show. Increasing more companies, including36 Microsoft, were showing off products that allow PCs, TVs, stereos, and media37 recorders are to be connected by home networks. Intel said it would enter the38 consumer electronics market as for the first time with a chip specifically39 designed to provide power cheaper, better flat-panel TV displays and an40 all-in-one home entertainment PC. 'Entertainment PCs', according to Intel, will41 come on the market later this year, priced at between 6, 400 yuan or less. They42 are intended to offer that live TV tuning, video recording, DVD and photo display,43 and even video gaming. What at stake is the traditional consumer electronics44 model, since then PC companies push into the higher-margin market for45 consumer electronics, driving down costs and playing up interactive feature.(34)