【简答题】听第7段材料,回答第8,9题。 1. What is the speaker? A. A tour guide. B. A bus conductor. C. A ticket seller. 2. How much will a couple with a child aged 10 pay for the tickets? A. $50. B. $65. C. $85. 3. How long...
【简答题】用括号内单词的适当形式填空。 1. They don't know why you talked to them so _____ (angry). 2. They will lose _____ (they) if they go down that path. 3. I have only a little _____ (know) of computers. 4. I think this ...
【简答题】抗代谢类抗癌药是()|抗生素类抗癌药是()|激素类抗癌药是()|细胞毒类抗癌药是()A. 环磷酰胺B. 氟尿嘧啶C. 放线菌素DD. 长春新碱E. 他莫昔芬
【单选题】若室内生起炉子后温度从12°C升高到30°C,而室内气压不变,则此时室内的分子数减少了