题目

标准状况下，与32g O2的体积相等的N2，其（    ）    A.质量为14g            B.分子数为6.02╳1023    C.体积为11.2L          D.物质的量为2mol 答案：BRead the passage and fill in the blanks with proper words（在短文的空格内填入适当的词，使其内容通顺，每空格限填一词，首字母已给）What do you want to be when you grow up? Maybe you have many j1., such as a teacher, a soldier, a businessman and so on. I think some of the little boys and girls here can be cooks in the future, b2. they cook meals all by themselves, why do they cook meals by themselves? Let me tell you!The boys and girls are from Dali, Yunnan Province. They are students of a primary school. They love studying very much, but the school is very far from their homes, so they have to l3. their parents to live in the school alone （独自）. After school, they have to cook m4. by themselves every day. They are very young, but they are all g5. cooks. The food may not be very delicious, but they enjoy it and they can learn more from this k6.of life.What do you think of the students and the life ? We should learn hard and help them, shouldn't we?