问题
名词解释
体液
答案
参考答案：
动物细胞内、外液体，包括细胞内液和细胞外液。细胞外液包括血液、组织液、淋巴液和脑脊液。
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体液
参考答案：
动物细胞内、外液体，包括细胞内液和细胞外液。细胞外液包括血液、组织液、淋巴液和脑脊液。
| 用方框里适当的句子补全对话。 | |
B—1_____ But I don't have a tennis racket. Do you have a tennis ball? A—No, I don't. But I have a soccer. 2_____ B—No. 3_____ Let's play ping-pong. I have a ping-pong bat. A—4_____ B—It's in my backpack. Do you have a bat? A—No, I don't. But my brother has a bat and a ball. B—Good. Where is he? A—5_____ |