问题
填空题
毛细血管血比静脉血()
答案
参考答案:高10%—15%
毛细血管血比静脉血()
参考答案:高10%—15%
根据所给句子,选择最佳的应答语。每个选项只能用一次。 | |
( )1. What do you do when you meet someone? ( )2. How do you feel when you see the national flag of China? ( )3. I fell off my bike and hurt my arm. ( )4. We should exercise more. ( )5. Do you spend more time with your friends?
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