单选题I had the pleasure of ______ with your husband in the states when he was lecturing there three years ago.

单选题______ his great wealth, he always remained a man of simple tastes.

单选题In mild winters apple buds began to break soon after Christmas, leaving them ______ to frost damage.

单选题The paper by Dr. Just and Dr. Minshew is meant to examine ______.

单选题That ______ criminal was finally put to death.

单选题I haven't seen him for quite a long time, but his parents ______ him sometimes.

单选题(2011) All____she likes to do now is driving her car on the highway.

单选题The first paragraph uses several examples to convey the ideas that______.

单选题How would fresh water be supplied to the city?

单选题______ the distance was too long and the time was short, we decided not to drive to Florida. A. Discovering B. To discover4 C. To have discovered D. Discovered

单选题Would you please let me finish my words? Don't __________ in the middle of a sentence.

单选题People Use Technology More, Sleep LessPeople in Britain now spend more time watching TV, gaming, and using their mobile phones and computers than sleeping. A study __31__ that British people use techn

单选题Most students choose “Homestay” accommodation when they study abroad：others select Homestay even if they are not on a study visit.Statistics show that it’s a form of accommodation gaining in popularit

单选题Peter will ______ as managing director when Bill retires.

单选题His dislike of the course may prove to be a ______ barrier he cannot overcome.

单选题He is a (an) ______ and well-behaved child, but his parents worry about him for he talks too little.

单选题In order to be a good scientist, ______.

单选题Smoking is so harmful to personal health that it kills people each year ______ than automobile accidents.

单选题As it is, sleep is so undervalued that getting by on fewer hours has become a badge of honor. Plus, we live in a culture that 26 to the late-nighter, from 24-hour grocery stores to online shopping sites that never close. It's no surprise, then, that more than half of American adults don't get the 7 to 9 hours of shut-eye every night as 27 by sleep experts. Whether or not we can catch up on sleep—on the weekend, say—is a hotly 28 topic among sleep researchers. The latest evidence suggests that while it isn't 29 , it might help. When Liu, the UCLA sleep researcher and professor of medicine, brought 30 sleep-restricted people into the lab for a weekend of sleep during which they logged about 10 hours per night, they showed 31 in the ability of insulin (胰岛素) to process blood sugar. That suggests that catch-up sleep may undo some but not all of the damage that sleep 32 causes, which is encouraging, given how many adults don't get the hours they need each night. Still, Liu isn't 33 to endorse the habit of sleeping less and making up for it later. Sleeping pills, while helpful for some, are not 34 an effective remedy either. 'A sleeping pill will 35 one area of the brain, but there's never going to be a perfect sleeping pill, because you couldn't really replicate (复制) the different chemicals moving in and out of different parts of the brain to go through the different stages of sleep,' says Dr. Nancy Collop, director of the Emory University Sleep Center. A. alternatively F. ideal K. presumption B. caters G. improvements L. ready C. chronically H. necessarily M. recommended D. debated I. negotiated N. surpasses E. deprivation J. pierce O. target