单选题 Diabetes is one of the most prevalent and potentially dangerous diseases in the world.
单选题 In any event, lethal injections are under federal scrutiny.
单选题 The teacher explained the new lesson ______ to the students.
单选题 In front of the platform, the students were talking with the professor over the quizzes of their ______ subject
单选题 The North American states agreed to sign the agreement of economical and military union in Ottawa.
单选题 Likewise, soot and smoke from fire contain a multitude of carcinogens.
单选题 She had a terrible accident, but ______. she wasn't killed.
单选题 Although most dreams apparently happen ______, dream activity may be provoked by external influences.
单选题 He tried to run, but he was hampered by his broken leg.
单选题 A network chatting is a limp substitute for meeting friends over coffee.
单选题 Drinking more water is good for the rest of your body, helping to lubricate joints and ______ toxins and impurities.
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单选题 Researchers recently ran the numbers on gun violence in the United States and reported that right-to-carry-gun laws do not inhibit violent crime.
单选题 Attempts to restrict parking in the city centre have further aggravated the problem of traffic congestion.
单选题 When he finally emerged from the cave after thirty days, John was startlingly pale.
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单选题 The tutor tells the undergraduates that one can acquire ______ in a foreign language through more practice.
单选题 People are much better informed since the ______ of the Internet.
单选题 The idea of correcting defective genes is not particularly controversial in the scientific community.