【判断题】You use present perfecttense for jobs you held and present tense for jobs you currently hold.
【简答题】柴油是按 划分牌号的,车用柴油分为 、 、 、 、 、 六 个牌号。
【多选题】When you describe the data , which kind of tense can be used ? Use the past tense to present the findings of an experiment while generlizations concluded from the research should use the present tens...
C.
the present perfect tense
D.
the past perfect tense
【判断题】We can use either present tense or past tense when we talk about our findings.
【单选题】某患儿因主诉“经常性腹胀、腹痛、腹泻”而入院治疗,父母反映上述症状一般出现于喝鲜牛奶以后,最后诊断为“乳糖不耐受”。该病主要的治疗方法为()。