舒张压
参考答案:
当心室舒张时,主动脉压下降,至心舒末期达动脉血压的最低值。
设a为实数,函数f(x)=x2+|x-a|+1,x∈R,
(Ⅰ)讨论f(x)的奇偶性;
(Ⅱ)求f(x)的最小值。
根据所给首字母或汉语提示,将单词的正确形式写在题后相应的横线上。
1. The things on s_____ are all very cheap.
2. I want to buy a new pair of p_____, because mine is very old.
3. The story is very i_____. The children like reading it.
4. Speed is a very successful action movie. I think it's e_____.
5. I think thrillers are s_____. I don't want to see them.