[单选题]成人鼻饲流质时,其胃管的长度为( ) A.35~45cm B.45~55cm C.50—60cm D.40~60cm E. 40~55cm
参考答案:B
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第1题: [单项选择]The government has provided the capital library with heavy ______ to keep it one of the largest in the world. A. subscriptions B. tips C. subsidies D. bonuses 参考答案:C 答案解析:名词辨析。subscriptions指“捐献、定金”;tips指“小费”;subsidies指“补助金、津贴”; bonuses指“奖金、红利”。subsidies符合句意。