皮皮学,免费搜题
登录
搜题
【判断题】
第二轨式接触网是沿线路敷设的与轨道平行的附加接触轨,又称为第二轨,其功用与架空接触网一样,通过它将电能输送给电动车组。
A.
正确
B.
错误
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【单选题】Today is Tony ’ s birthday. Let ’ s __________ his birthday.
A.
make a card to
B.
makes a card for
C.
make a card for
D.
making a card to
【单选题】生物氧化中P/O比值的含义是
A.
生成ATP数与消耗1/202的比值
B.
分解蛋白质与需要的1/202的比值
C.
需要的磷酸与生成的1/202的比值
D.
氧化的磷脂与消耗的1/202的比值
【单选题】Tony. Mom, I'll be 12 next week. May I have a birthday party? Mom: ______.
A.
I think so.
B.
With pleasure.
C.
Please take it easy.
D.
Yes, but why?
E.
Sure you can.
F.
It's very kind of you!
G.
Never mind.
H.
Not too bad.
【单选题】设液压马达进油流量为Q(m3 /S),排量为q(m3/r),容积效率ηv为机械效率为ηm,其实际转速为 __ r/min。
A.
Qηvηm/q
B.
60Qηvηm/q
C.
60Qηv/q
D.
60Qqηv
【单选题】设液压马达进油流量为Q(m3 /S),排量为q(m3/r),容积效率ηv为机械效率为ηm,其实际转速为_______r/min。
A.
Qηvηm/q
B.
60Qηvηm/q
C.
60Qηv/q
D.
60Qqηv
【单选题】In selecting the host city, the IOC will consider several factors except ______ .
A.
the existing facilities of the city
B.
the competence of NOC of the city's country
C.
the city's time zone
D.
the financial profit by Olympics
【单选题】Tony ____ the invitation, otherwise he would have attended your birthday party.
A.
couldn’t have received
B.
mustn’t have received
C.
needn’t have received
D.
shouldn’t have received
【单选题】Tony ___ a birthday card.
A.
usually gets
B.
gets usually
C.
usually get
D.
get usually
【单选题】—Happy birthday, Tony! — ________. [     ]
A.
Happy birthday.
B.
The same to you.
C.
Thank you.
D.
Today is my birthday.
【单选题】P/O的比值含义是
A.
每消耗1mol氧分子所消耗的无机磷摩尔数
B.
每消耗1mol氧分子所合成ADP的摩尔数
C.
每消耗1mol氧原子所合成ATP的摩尔数
D.
每消耗1mol氧原子所消耗ATP的摩尔数
E.
每消耗1mol氧分子所合成ATP的摩尔数
相关题目: