....way 14.improvement 15.harmful 16.efficient 17.untrue 18.method 19.passion 20.reduce 正文：People should know that many little things can be done in an attempt to conserve energy in the home. Slight changes in day-to-day tasks can make a big【1】______in conserving energy around the home. ...
...有持续时间状语。 He has lived in Beijing for 20 years/all his life. I have known him for long time. There have been some books on the table for 3 days. She has been ill since last week/for a week. &n...
... sure how old he
is. 没有人确切地知道他多大年纪了。（摘自2008年7月第1版外研社《英汉多功能词典》
p.2144）
2.
for sure 在句中可以作表语， for certain 不能作表语。例如：
（12）One
thing is for sure—it’s not going to be easy .有一点可以...
...b) The young man is less than twenty years old. “这个年轻人不到20岁。”二、more…than1. “与其…不如…”；“是…而不是…”，常可与“rather than或not so
much…as”互换使用。He is more
like a spear than anything
else.= He is like a spear rather than an...
...
recommendation has nothing to do with sedentary, fast-food-drenched circa-2015
America. Rather, the recommendation first popped up in a very different food
and environment: 1960s Japan.“It basically started around the Tokyo
Olympics” in 1964, said Catrine Tudor-Locke, a professor who studies wa...
...ometres directly below the city, one of the most deadly
earthquakes of the 20th century had begun, a quake that even caused damage more
than 150 kilometres away in Beijing.
Nearly one third of the whole nation felt it! A huge crack, eight kilometres
long and 30 metres wide, cut across houses, roads,...
...e.句中的 add…to…表示“把……加在……上”。又如：Add 20 to the
total. 总数再加上 20。Shall I add your
name to the list? 我可以把你的名字写进名单吗？Pictures add
interest to plain painted walls. 相片给素色的墙面增添了一抹情趣。另外，add to...