可以直接在水泥基层上涂刷,耐洗刷性好,能用于潮气较大的部位的建筑内墙涂料是()。
A.苯-丙乳胶漆
B.丙烯酸酯乳胶漆
C.乙烯-乙酸乙烯乳胶漆
D.聚乙烯酸水玻璃涂料
参考答案:A
Read and fill. 根据上下文补全对话。
Liu Lan: Wow, vegetables. What are these?
Mary: They 1. carrots.
Liu Lan: Are 2. bananas?
Mary: No, they aren't. They are cucumbers.
Liu Lan: Are 3. onions?
Mary: Yes, they are.
Liu Lan: 4. are those?
Mary: They are potatoes.
Liu Lan: I like 5. potatoes.
Mary: Me, too.
某病人将参加一种高血压药物的临床实验,在实验中医务人员应遵循以下原则,除了()
A.向病人讲解实验的有关内容
B.一切以病人的利益第一
C.实验必须得到病人的同意
D.病人应承担实验的一切后果
E.实验要有利于学科的发展