问题
选择题
下列说法中正确的一项是 [ ]
A．肺动脉内流动脉血
B．肺静脉内流静脉血
C．体动脉内流动脉血
D．体动脉内流静脉血
答案
C
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下列说法中正确的一项是 [ ]
A．肺动脉内流动脉血
B．肺静脉内流静脉血
C．体动脉内流动脉血
D．体动脉内流静脉血
C
| 根据对话，选择句子。 | |
| A: Hey, Mom. Can I invite some friends to the party Sunday afternoon? B: 1 . But you have to do some chores first. A: What do I have to do? B: Well, first you could sweep the kitchen floor. A: OK． 2 B: Then you could take out the trash. A: Yeah. 3 B: And you need to clean your room. A: Wow! I’m going to be too tired to go to my own party! B: 4 I’ll go to the store for drinks and snacks. A: 5 | |
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| 1 ._____ 2._____ 3._____ 4 ._____ 5 ._____ |