在天气预报中，污染指数为101～200，表示空气质量状况（　　）

    Peeling（削皮）vegetables can be the____boring part of any meal as you spend extra  minutes____prep time. And when you're doing,you____(leave) with a pile of unusable skins ____usually end up in the garbage can.

    But according to health experts,what we throw away is actually one of the healthiest____(part) of our foods.

    Daily Mail Online spoke to Mary Jane Detroyer,a registered dietitian and nutritionist based in New York,about ____we shouldn't be peeling our vegetables and all the hidden benefits____(find) in the skins.

    According to Detroyer,there are several reasons to be leaving the skins on,and the main reason is what you deprive（使丧失）your body of when you peel____off.The skins of produce like potatoes,carrots,and cucumbers all have plenty of health benefits."The skins have a lot of fiber and it's insoluble（不溶性）fiber,especially____the skins are colorful,"Detroyer told Daily Mail Online.“Most of the time,____majority of the vegetable's nutrients are in the skins.”

呼吸系统的主要器官，也是完成气体交换的重要场所是（　　）。

去年，我国部分地区爆发了H7N9禽流感．为了防止禽流感蔓延，人们将家禽捕杀、掩埋，并在禽舍和掩埋坑中洒上大量热石灰．

（1）熟石灰属于____ （填“酸”、“碱”或“盐”）．用熟石灰处理硫酸厂废水中的硫酸，其化学方程式为____ 　．

（2）熟石灰的溶解度曲线如图所示，30℃时，将1g 熟石灰加入100g水中充分搅拌、过滤，若不计溶液损失，得到溶液的质量是____ g．将该溶液降温到20℃，是否有固体析出____，（填“是”或“否”）溶液中溶质的质量分数将____ （填序号）

A．不变B．增大C．减小．