3．Fruit juices can beharmfulto children's teeth．——青夏教育精英家教网——

3．Fruit juices can beharmful（有害）to children's teeth．

2．We have no idea at all ______the economic crisis will end．（　　）

1．-I lost the game today．
-Well，_________ luck next time（　　）

20．Though having discussed it for long，they still haven't reached an agreement they should pour more money into the project．（　　）

19．A report says school maths standards in England have failed to improve in the last 30years，______ than those in mid-1970's，when only 20% of the students could pass maths exams．（　　）

18．---All the building materials have been washed away．
---So I have heard．But there was no sign ______ a heavy rain was on the way last night．（　　）

17．-What do you think of the movie"Avatar"？
-I've never seen a fantasy film with three-dimensional （三维） technique．（　　）

16．Li Lei has not yet answered my question I can go with him to he calls the Natural Underground Gallery next week．（　　）

whether； what

whether； that

15．His explanation was so clear that everyone could understand it with ．（　　）

	A．	possibly the least effort		B．	the least effort possibly
	C．	the possible least effort		D．	the least possible effort

14．Alice Lillian Ellis，born on September 11，1907in Boston，was ____ of nine children．（　　）

	A．	the third oldest		B．	the third old
	C．	the third older		D．	the oldest third

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