实验室中需要配制2mol/L的NaCl溶液980mL，配制时应选用的容量瓶的规格和称取的NaCl的质量分别是（ ）
A：980mL 111.2g
B：500mL 117g
C：1 000mL 117g
D：任意规格 111.2g
长方体有（ ）个面，其中至少有（ ）个面是长方形
What's the woman's new telephone number?
cook, on, do, live, busy, read, play, about, clean, weekend
Hello! My name is Zhang Ming. I ____ in Qingdao. I am a student. Do you want to know about my ____? I'm very happy ____the weekend. I can ____many things(事情). Usually I do my homework and ____books. Sometimes I ____the rooms and ____dinner with my mum. I often watch TV and ____ pingpong with my father. I'm ____at home. This is my weekend. What ____your weekend?
某校宣传栏中写道：“我们不得不饮食、睡眠、游玩，我们不得不接触生活中最甜蜜的事情，不过我们必须不屈服于这些事物”。这段话告诉同学们应该：（ ）。
①立足实践，推动思想的深化 ②适度娱乐，防止矛盾的转化
③抓住机遇，突破条件的限制 ④树立理想，促进自身的发展
