—Sorry, I didn't see it. I'm putting out the cigarette.
A:NO SMOKING
B:NO PARKING
C:NO ENTERING
D:NO SWIMMING
某同学在20℃时进行了如下实验,得到相应的溶液①②③,发现只有②溶液中有少量未溶解的硝酸钾固体.
(1)溶液①②③中,质量分数由小到大的顺序是____ ,③溶液的溶质质量分数为 ____ (结果保留一位小数点).
(2)若把硝酸钾的不饱和溶液变为饱和溶液,下列有关说法正确的是____ (填字母).
A.溶剂的质量一定变小 B.溶质的质量可能不变 C.溶质的质量分数一定变大 D.溶液的质量一定变大 E.该饱和溶液还可以溶解其他物质.
选择句子的翻译。
①请问、去超市怎么走?____ A. Nice to meet you.
②一直向前走,然后向右转____ B. Go straight on, then turn right.
③小明在学校附近。____ C.Excuse me. Where is the supermarket?
④见到你真高兴。____ D. Xiaoming is near the school.
She ________ to school at 7: 40 every day, but yesterday she ________ to school at 7:00.
xiān huā
gū niang
tǔ duī
yóu dì
____
dòng dàng
lǐ wù
xiū xi
fāng gé