问题
单项选择题
固体废物压实浓缩、破碎、分选、脱水干燥等属于()。
A．物理处理
B．化学处理
C．生物处理
D．固化处理
答案
参考答案：A
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固体废物压实浓缩、破碎、分选、脱水干燥等属于()。
A．物理处理
B．化学处理
C．生物处理
D．固化处理
参考答案：A
| 从方框中选择适当的词语填空，其中有一个词是多余的。 | |
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| 1. The bike _ __ your father's or your mother's. They both have a black bike. 2. This homework Jim's. He wasn't at school today. 3. Can you help us to find the __ of this red backpack? 4. The blue sweater ___ _ my sister. She is the only one who likes blue best in my family. 5. This is our exam in our school. After that we will graduate. |