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【单选题】
Questions 14-16 are based on the following story about a parrot. You now have 15 seconds to read Questions 14-16. Why was the parrot regarded as unique
A.
It looks like human being.
B.
It looks different from other birds.
C.
It could learn to say most of words.
D.
It could not imitate human speech.
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参考答案：
参考解析：
刷刷题刷刷变学霸
举一反三
【单选题】Boeing Co’s Sonic Cruiser, a proposed faster airliner, would be mostly blended material, program director Walt Gillette said recently. In its quest for the (21) to fly 15 to 20 per cent faster than (2...
A.
power
B.
fight
C.
tension
D.
strength
【单选题】Boeing Co’s Sonic Cruiser, a proposed faster airliner, would be mostly blended material, program director Walt Gillette said recently. In its quest for the (21) to fly 15 to 20 per cent faster than (2...
A.
contagious
B.
infectious
C.
publicizing
D.
widespread
【单选题】患者戴牙后1个月出现疼痛。可能的原因是（） A．粘结剂的过敏性疼痛 B．继发龋 C．牙髓炎 D．根尖周炎 E．创伤
A.
患者，男性，48岁，实习医生接诊后检查发现，
MOD缺损，
面可见银汞充填物。龈距离较短，深覆。X线示，为活髓牙。
MOD缺损，面可见银汞充填物。龈距离较短，深覆。X线示，为活髓牙。