某工程双代号网络计划如图所示,其关键线路有()条。
A.2
B.3
C.4
D.5
参考答案:C
写出下列句子的同义句。
1. This is my book. → The book is .
2. What's the name of your city? → What's your name?
3. I always go to school on foot. → I always to school.
4. What's your age (年龄)? → are you?
5. It's time for breakfast. → It's time breakfast.
多尿是指24小时尿量大于()
A.1000ml
B.1500ml
C.2000ml
D.2500ml
E.3000ml