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【单选题】
节流元件用来调节流量的条件是要求有与之并联的溢流阀,原因是
A.
溢流阀作安全阀
B.
溢流阀作背压阀
C.
溢流阀起到稳压溢流的作用,与节流阀构成两个并联的液阻
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参考答案:
举一反三
【单选题】Mark Evens, who had failed the physics test, was sitting on a bench in the corner ______ over his disappointment.
A.
complaining
B.
meditating
C.
brooding
D.
apologizing
【单选题】The proportion of kids who are overweight in 1994 jumped 13 percent compared with that in 1964.
A.
Y
B.
N
C.
NG
【单选题】Who is the man ______ is sitting at the corner?
A.
who
B.
which
C.
whom
D.
that
【单选题】· 抛出一定链长的单锚泊船,当外力增大时,该锚泊船所拥有的锚泊力将( )。
A.
增大
B.
不变
C.
减小
D.
因走锚而降为零
【简答题】The example of Felice Ramirez shows us that in kids who are prone to obesity ______ is / are a stimulating factor for overweight.
【判断题】DHCP 服务器不但能实现 IP 地址的分发,还能为客户机配置网关和 DNS 。( 2017 年高考真题)
A.
正确
B.
错误
【单选题】病人经用大剂量氢化可的松、氨茶碱等药物静脉滴注,症状仍未缓解,痰黏稠难以咯出,呼吸音低,两肺哮鸣音明显减少,精神状态差。应配合医师首先给予。首优的护理诊断是
A.
焦虑
B.
体液不足
C.
清理呼吸道无效
D.
低效性呼吸型态
E.
营养失调:低于机体需要量
【单选题】政府债券的风险主要表现为( )
A.
购买力风险
B.
财务风险
C.
经营风险
D.
信用风险
【单选题】Who should take responsibility for the young kids’ crimes?
A.
Parents
B.
The person who committed the crime.
C.
Children, parents, community are all factors attributing to kids’ crimes.
D.
No definite answers.
【单选题】政府债券的风险主要表现为( )
A.
信用风险
B.
财务风险
C.
经营风险
D.
购买力风险
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