【单选题】表示汽油中所含低沸点馏分的多少,决定汽油机的启动难易程度的是()。
【单选题】—Can I take both of the presents? —No, I’m afraid not. You can take ______ of them. [ ]
【判断题】进行回火处理时,决定钢的组织和性能的主要因素是回火温度。
【单选题】— Which one can I take? — You can take of them; I am interested in neither of them. [ ]
【单选题】设置字符格式常用的方法是通过“开始”选项卡中的( )功能区。
【单选题】--Hello, this is 77553861. -- __________.
B.
Will you come tonight?
【单选题】—Which umbrella can I take? —You can take______of them; I will use none.