36. —I hear that you and your parents are going to spend your summer vacation in Beijing. —Yes, we’r

题干

36. —I hear that you and your parents are going to spend your summer vacation in Beijing.
—Yes, we’re planning_______.

A： to

B：to be

C：it

D：to spend it

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A

A化学与安全	B化学与健康
重金属中毒﹣喝鲜牛奶、豆浆等解毒煤气泄漏﹣关闭气阀、严禁烟火	人体缺乏维生素B﹣引起坏血病铁．锌．钙元素﹣都是人体必须的微量元素
C化学与生活	D微观粒子
蛋白质．淀粉﹣用碘溶液来鉴别纯棉织物．纯毛织物﹣用灼烧闻气味来鉴别	春天处处闻花香﹣分子在不停运动分子．原子．离子﹣都是构成物质的微粒