单元测试 1、单选题：In a standard format of business email,s we are not necessary to begin with ___ according to the video.选项：A: To: B: From:C: Subject:D: Date:答案: 【 Date:】 2、单选题：...
Exercises for Unit One & Two 1、单选题：Part one: There are five sentences in this section. Read and decide whether they are fact or opinion. (10 points, two for each)1.China is a developing co...
1.1 Topic choice and elaboration 随堂测验 1、单选题：Choose the most elaborated topic for research.选项：A: ChinaB: Chinese historyC: History of Qing DynastyD: Emperor Qian Long and his times答...
