单选题His meeting with Picasso was an important ______ in the artist’s life.
单选题American Indian languages, which differ widely, tended to group many units of meaning into multi-syllabic words.
单选题After _____ your results, you should make an appointment with your tutor.
单选题The former scientist ______ a senior management system many years ago.
单选题Even after reading it for three times he couldn’t ______ the meaning of that letter.
单选题_____ your body does after the stimulus has acted is called the response.
单选题Annie Jump Cannon, _____ discovered so many stars that she was called "the census taker of the sky."
单选题Electricity is vital for our daily life, and a in electric power can paralyze a city.
单选题The customer expressed her _____ for that broad hat.
单选题We’d like to _____ a table for five for dinner this evening.
单选题All in all, it is now beyond doubt that in size and scope the rapid global spread of the habit (to wear) jeans, however it may be explained, is an (accident) without precedent in the history of human attire.
单选题His interest in the stock exchange soon wore off, and he _____ the business.
单选题The plan _____, what is to be done now is how to carry it out.
单选题Fossil records indicate ______ existing in the past have become extinct.
单选题Enk’s website contains _____ photographs and hundreds of articles and short videos from his trip around the globe.
单选题Various measures intended to facilitate economic recovery in the affected area have been suggested.
单选题Only by carrying out an open-door policy _____.
单选题Not until Kentucky’ s Mammoth Cave had been completely explored in 1972 _____.
单选题John played basketball in college and ______ active ever since.
单选题______ of the Pennsylvania Gazette, Benjamin Franklin tried hard to make the periodical popular.