问题
判断题
可以通过“对流”运动进行的循环是气相型循环。 ( )
答案
参考答案：对
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可以通过“对流”运动进行的循环是气相型循环。 ( )
参考答案：对
| 选词填空。 | |
2. This is a girl. _________ name is Mary. _________ is my friend. 3. This is Mr Wood. _________ is my English teacher. 4. Is this _________ eraser? No, _________ isn't _________ eraser. My eraser is green. 5. Where is Jim's pen? _________ pen is on the desk. 6. Nice to meet _________! |