大排量泵车上液压辅阀块上共有()压力参数要调试。
A、2个
B、3个
C、4个
D、5个
参考答案:B
从括号中选择适当的词完成句子
1. Where _______(is/am/are) my new pencils?
2. Please _____ (take/bring) the chair to your room.
3. This is my cat. _____(It's/lts/That's) name is Mimi.
4. ______( He's/His/He) brother is an English teacher.
5. —What color are your rulers?
— _____. ( They're/There're/It's ) yellow and blue.
谁首次向全球公布用“扩展的财富”指标作为衡量全球或区域发展的新指标()
A、世界银行
B、卢佩托
C、联合国统计署
D、联合国环境署