问题
单项选择题
氯瓶充装液氯时,应充装氯瓶体积的()
A.20%
B.50%
C.60%
D.80%
答案
参考答案:D
氯瓶充装液氯时,应充装氯瓶体积的()
A.20%
B.50%
C.60%
D.80%
参考答案:D
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一.请根据下面表格中的内容描述Mary的周末计划。
Mary is going to have a nice weekend. On Saturday morning, she will visit her grandparents. In the afternoon, she is going to 1 and help her mother do some chores. In the evening, she will 2 that is very interesting. On Sunday morning, she will 3 to read some books. In the afternoon, she is going to hang out with her friends and 4 . 1. 2. 3. 4. 二.你也打算过个愉快的周末吧。请仿照上文,根据下面的四幅图片,描述你的计划,文章开头已给出,不必抄写。 ![]() I'm going to have a nice weekend. On Saturday morning, I'll visit my uncle. |