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【简答题】
调节离心泵流量的方法有（ ）、（ ）、（ ）和（ ）。
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参考答案：
举一反三
【单选题】面色黄而虚浮，属于
A.
脾胃气虚
B.
寒湿
C.
阳虚水泛
D.
脾虚湿盛
E.
湿热
查看完整题目与答案
【单选题】下面关于星型拓扑结构描述正确的是()
A.
是早期的以太网采用的一种拓扑结构
B.
特点是每个端用户都与两个相邻的端用户相连，并且数据传输具有单向性，一个端用户发出的数据中能被另一个端用户接收并转发
C.
多台机器共用一条传输信道，信道利用率较高，但是同一时刻只能由两台计算机通信
D.
结构简单，便于管理（集中式），不过每台入网主机均需要与中央处理设备互联，线路利用率低
查看完整题目与答案
【单选题】下面关于星型拓扑结构描述正确的是?
A.
结构简单，便于管理（集中式），不过每台入网主机均须与中央处理设备互连，线路利用率低。
B.
是早期的以太网采用的一种拓扑结构
C.
特点是每个端用户都与两个相邻的端用户相连，并且环形网的数据传输具有单向性，一个端用户发出的数据只能被另一个端用户接收并转发。
D.
多台机器共用一条传输信道，信道利用率较高，但是同一时刻只能由两台计算机通信
查看完整题目与答案
【单选题】He likes painting. He is going to be a(n) ______ when he is older. [     ]
A.
programmer
B.
pilot
C.
engineer
D.
artist
查看完整题目与答案
【单选题】He likes going into town________ his father’s car.
A.
by
B.
at
C.
on
D.
in
查看完整题目与答案
【单选题】听力原文：M: Hi. Welcome to Heavenly Pies. May I take your order? W: Uh... yes. [23]I'd like the fried chicken steak. M: Okay. Would you like fries, bread, or rice with your meal? W: Umm. I'll take the ric...
A.
T-bone steak & beer.
B.
Fried chicken steak & Sprite.
C.
Boiled chicken & salad.
D.
Roast beef & rice.
查看完整题目与答案
【单选题】听力原文：M: Hi. Lisa. Have you registered for the courses yet? W: yes, I have, Max. M: Oh, sorry, but...can you tell me...what is your major again? W: Sure. I major in computer science. M: Why did you cho...
A.
Because it is interesting and creative.
B.
Because it has a big effect on our lives.
C.
Because she can make big money with it.
D.
Because she can graduate more easily.
查看完整题目与答案
【单选题】听力原文：W: Hi. Can I help you? M: Hi. I've, uh, just opened a checking account and I want to withdraw 150 euros. What I want to know is, who do I make the check out to? W: Well, since the money is for yo...
A.
A bank clerk and customer.
B.
Waiter and diner.
C.
Professor and student.
D.
Manger and secretary.
查看完整题目与答案
【单选题】听力原文：M: Hi. Welcome to Heavenly Pies. May I take your order? W: Uh... yes. I'd like the fried chicken steak. M: Okay. Would you like fries, bread, or rice with your meal? W: Umm. I'll take the rice. M...
A.
T-bone steak ＆ beer.
B.
Fried chicken steak ＆ Sprite.
C.
Boiled chicken ＆ salad.
D.
Roast beef ＆ rice.
查看完整题目与答案
【单选题】—Where is your father? —______in the garden. [     ]
A.
He is going go water the flowers
B.
He likes watering the flowers.
C.
He is watering the flowers.
D.
He often waters flowers.
查看完整题目与答案
相关题目：
【单选题】面色黄而虚浮，属于
A.
脾胃气虚
B.
寒湿
C.
阳虚水泛
D.
脾虚湿盛
E.
湿热
查看完整题目与答案
【单选题】下面关于星型拓扑结构描述正确的是()
A.
是早期的以太网采用的一种拓扑结构
B.
特点是每个端用户都与两个相邻的端用户相连，并且数据传输具有单向性，一个端用户发出的数据中能被另一个端用户接收并转发
C.
多台机器共用一条传输信道，信道利用率较高，但是同一时刻只能由两台计算机通信
D.
结构简单，便于管理（集中式），不过每台入网主机均需要与中央处理设备互联，线路利用率低
查看完整题目与答案
【单选题】下面关于星型拓扑结构描述正确的是?
A.
结构简单，便于管理（集中式），不过每台入网主机均须与中央处理设备互连，线路利用率低。
B.
是早期的以太网采用的一种拓扑结构
C.
特点是每个端用户都与两个相邻的端用户相连，并且环形网的数据传输具有单向性，一个端用户发出的数据只能被另一个端用户接收并转发。
D.
多台机器共用一条传输信道，信道利用率较高，但是同一时刻只能由两台计算机通信
查看完整题目与答案
【单选题】He likes painting. He is going to be a(n) ______ when he is older. [     ]
A.
programmer
B.
pilot
C.
engineer
D.
artist
查看完整题目与答案
【单选题】He likes going into town________ his father’s car.
A.
by
B.
at
C.
on
D.
in
查看完整题目与答案
【单选题】听力原文：M: Hi. Welcome to Heavenly Pies. May I take your order? W: Uh... yes. [23]I'd like the fried chicken steak. M: Okay. Would you like fries, bread, or rice with your meal? W: Umm. I'll take the ric...
A.
T-bone steak & beer.
B.
Fried chicken steak & Sprite.
C.
Boiled chicken & salad.
D.
Roast beef & rice.
查看完整题目与答案
【单选题】听力原文：M: Hi. Lisa. Have you registered for the courses yet? W: yes, I have, Max. M: Oh, sorry, but...can you tell me...what is your major again? W: Sure. I major in computer science. M: Why did you cho...
A.
Because it is interesting and creative.
B.
Because it has a big effect on our lives.
C.
Because she can make big money with it.
D.
Because she can graduate more easily.
查看完整题目与答案
【单选题】听力原文：W: Hi. Can I help you? M: Hi. I've, uh, just opened a checking account and I want to withdraw 150 euros. What I want to know is, who do I make the check out to? W: Well, since the money is for yo...
A.
A bank clerk and customer.
B.
Waiter and diner.
C.
Professor and student.
D.
Manger and secretary.
查看完整题目与答案
【单选题】听力原文：M: Hi. Welcome to Heavenly Pies. May I take your order? W: Uh... yes. I'd like the fried chicken steak. M: Okay. Would you like fries, bread, or rice with your meal? W: Umm. I'll take the rice. M...
A.
T-bone steak ＆ beer.
B.
Fried chicken steak ＆ Sprite.
C.
Boiled chicken ＆ salad.
D.
Roast beef ＆ rice.
查看完整题目与答案
【单选题】—Where is your father? —______in the garden. [     ]
A.
He is going go water the flowers
B.
He likes watering the flowers.
C.
He is watering the flowers.
D.
He often waters flowers.
查看完整题目与答案
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