第2题: [单项选择]We are all in favor of your proposal that the discussion ______ . A. be put off B. was put off C. should put off D. is to put Off 参考答案:A 答案解析:[解析] 本题考查的是虚拟语气。名词advice(建议)和proposal(提议)后面的同位语从句中的动词需要使用虚拟语气(should)+动词原形。由于discussion(讨论)和put off(
第12题: [单项选择]我国电网的频率为()赫兹。 A. 50 B. 60 C. 70 D. 100 参考答案:A
第13题: [单项选择]We must ______ the United States five years in order to apply for citizenship. A. reside in B. accommodate C. invade D. abandon 参考答案:A 答案解析:reside in意为“住,居留”。B. accommodate意为“提供住宿”;C. invade意为“侵略”;D. abandon意为“放弃”。