外围血管阻力升高可由于()
A.交感胆碱能纤维兴奋
B.组胺释放
C.CO和乳酸增多
D.升压素分泌减少
E.血管紧张素Ⅱ增多
参考答案:C
写出下列句子的同义句。(一空一词)
1. It's time to have an English class.
It's time for _____________ _____________.
2. What's the time?
What _____________ _____________ _____________?
3. Go home, kids.
Go home, _____________.
4. This T-shirt is too expensive.
This T-shirt _____________ _____________ cheap.
作者吴承恩,中国()()。字(),号()。