单选题This engineering project has ______ over all others this year.

单选题She went into a deep ______ after taking an overdose of sleeping pills.

单选题Their attempts to evade taxes turned out to be futile.

单选题Several trial efforts in the 1980s proved that it was financially ______ to restore old buildings.(2003年北京大学考博试题)

单选题Three people______to help decorate the gym for the dance.

单选题In the third paragraph, Dr Laragh implies that ______.

单选题______ they think it will come to an end through the hands of God, or a natural disaster or a political event, whatever the reason, nearly 15 percent of people worldwide think the end of the world is coming, according to a new poll. A. Either B. Whether C. Neither D. If

单选题By signing the lease you made a(n) ______ to pay $ 300 a month rent.

单选题All parts of this machine are ______ , so that it is very simple to get replacements for them.

单选题The school board listened quietly as John read the demands that his followers ______ for.

单选题In order to help the students get a better understanding of the new conception, the professor ______ it with many examples.(2009年北京航空航天大学考博试题)

单选题She bought various ______, which later reminded her of the trip to Thailand. A. segments B. assignments C. pests D. souvenirs

单选题In Switzerland, six miles west of Geneva, lies a collection of laboratories and buildings, and most curious of ally a circular mound (36) more than 650 feet in diameter. This cluster has unique importance. It is Europe's (37) atomic city dedicated to investigating the atom for peaceful purposes. The strange buildings (38) the European Council for Nuclear Research, more popularly known, from their French initials as CERV. The council was (39) when a handful of statesmen and scientific experts met in Paris in 1950. Their aim was to " (40) an organization providing for cooperation among European states in nuclear research of a pure scientific and fundamental character." The CERV agreement was signed in 1953, and work on the atomic city began in 1954. Today CERV's (41) are among the most modern and the most diversified in the world. Impressive as the scientific aspect may be, the real significance of CKRV may lie (42) the thousand people—scientists, lab workers, and administrative—group drawn from the fourteen member nations (43) populate it. British engineers work (44) with Swiss electricians and Yugoslav nuclear physicists. The official languages are French and English, with German an unofficial third. But CFRV is (45) tower of Babel—the language of science is universal and all-embracing.

单选题Why were only the months of January and July chosen to be coded?

单选题Humans not only love eating ice cream, they enjoy (21) it to their pets. Market studies show that two thirds of all dog owners give ice cream to the dogs. (22) , says William Tyznik, an expert in animal nutrition at Ohio State University, "ice cream is not good for dogs. It has milk sugar in it, " he says, "which dogs cannot (23) very well. " (24) by that knowledge but aware of the desire of dog owners to (25) their companions, Tyznik invented a new frozen treat for dogs that, he says, is more nutritious than ice cream-and as much (26) to eat. The product, called Frosty Paws, is made of a liquid by-product of cheese and milk with the sugar (27) Frosty Paws also contains refined soy flour, water, vegetable oil, vitamins and minerals. It (28) Tyznik, who has also invented a horse feed (called Tizwhiz) and (29) dog focd (named Tizbits) , three years to (30) the Frosty Paws formulas, and two (31) to commercialize it. After losing $25,000 trying to market the invention himself, Tyznik sold the rights to associated lee Cream of Westerville, Ohio, which makes the product and (32) it in cups. Tyznik claims that Frosty Paws has been tested (33) and that "dogs love it". Of 1,400 dogs that have been (34) the product, he says, 89 percent took it on the first (35) Three out of four (36) it to Milk-Bone or sausages. The product, which will be (37) in the ice-cream section of supermarkets, comes in (38) of three or four cups, costing about $1.79. What would happen (39) a human should mistake Frosty Paws for real ice cream? "Nothing, " says Tyznik. "It's (40) , but frankly, it won't taste very good. /

单选题Confronted with the new groups of cosmic reality, many educated men ______.

单选题Being impatient is ______ with being a good teacher.

单选题Plastic sheeting should be wrapped around the tree in winner to ______ it from the wind and the frost.

单选题Those nations that interfere in the internal affairs of another nation should be ______condemned.