皮皮学，免费搜题
登录
搜题
【单选题】
If you didn't do something well, you should say..A.
"I blew it."
B.
"I'm really sorry."
C.
"I'm so glad."
D.
"Thank you."
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】制冷系统检漏常用方法有哪些 ?
【单选题】在相关范围内，固定成本表现出以下特点（ ）
A.
成本总额不受产量增减变动的影响
B.
成本总额随产量的增加而增加
C.
单位固定成本随产量的增加而增加
D.
产量增加，单位固定成本保持不变
【单选题】I’ve become good friend with several of the student in my school _______I meet in the English speech contest last year.
A.
who
B.
where
C.
when
D.
which
【单选题】I’ve become good friends with several of the students in my school _______ I met in the English speech competition last year.
A.
who
B.
where
C.
when
D.
which
参考解析：
知识点：
题目纠错 0
发布
