皮皮学，免费搜题
登录
搜题
【单选题】
一套机械密封至少有()个密封点。A.
1.0
B.
2.0
C.
3.0
D.
4.0
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
【简答题】Ernest Hemingway's Last important literary work is ---. A.the old man and the sea B.The Sun Also Rises C. For Whom the Bell Tolls
【单选题】The old man hopes that his brilliant grandson ___________ the first place in the upcoming game.
A.
won
B.
win
C.
will win
D.
wins
【单选题】回答题。 Life at Home in the Year 2040 Do you forget to turn off the lights and heaters when you go out of a room? In 2040 it will not matter. They will turn themselves off and on again when you return. Y...
A.
in 2040 we will live without the lights and heaters
B.
in 2040 we will use much more lights and heaters
C.
in 2040 lights and heaters will be on and off automatically
D.
in 2040 there will be no switches of lights and heaters
【单选题】What does the woman suggest that the man do?
A.
Bring the old computer to the store
B.
Sell the old computer to the store
C.
Stop driving the old car
D.
Copy the contents of the old computer
【单选题】听力原文：M: Susan isn't here yet. Did you forget to invite her? W: She was ready to come, but then changed her mind. Q: Why isn't Susan present? (14)
A.
She wasn't invited.
B.
She wasn't ready to come.
C.
She altered her decision.
D.
She forgot the invitation.
【简答题】A young man and an old man were waiting for a bus at a station. They sat _1_ _ each other. “What’s that in your bag?” asked the young man, pointing to a big bag beside the ___ 2_ _. “Money, nothing bu...
【单选题】听力原文：M: Helen isn't here yet. Did you forget to invite her? W: She was going to come, but then she changed her mind. Why isn't Helen present?
A.
She decided not to come.
B.
She forgot to come.
C.
She wasn't invited.
D.
She altered her decision.
【单选题】Do you forget to turn off the lights and heaters when you go out of a room? In 2040 it will not 【B1】. They will turn themselves off—and on again when you return. A sensor will 【B2】 the presence of a h...
A.
matter
B.
function
C.
work
D.
mind
【简答题】Do you forget to turn off the lights and heaters when you go out of a room? In 2040 it will not matter. They will turn themselves off—and on again when you return. You will choose the temperature for ...
【单选题】－Did the doctors save the old man？ －Yes. He _______ on the morning of May 10 th . And now he is out of danger.
A.
was operated
B.
operated
C.
operated on
D.
was operated on
相关题目：