TCD探测大脑动脉的主要声窗是:①颞窗;②眼眶窗;③枕窗;④额上窗()
A.①②③
B.①③
C.②④
D.④
E.①②③④
参考答案:A
情景交际。
A: Can you cook, Liu Fang?
B: No, I can't. 1.______ 2.______you?
A: I can.
B: 3.______ teaches you to cook?
A: My mother. She wants me to do some housework on Saturdays and Sundays.
B: 4.______do you want to eat?
A: Some meat, rice and eggs.
B: Do you like fruit?
A: Yes, a little. What about you?
B: I don't like fruit at all.I like eggs and meat. Can you help me to cook?
A: 5.______. I can do that tomorrow afternoon.
B: Thanks a lot.
A: You're welcome.
简述水体的哪些物理化学性质与水的温度有关。