皮皮学，免费搜题
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【单选题】
— Did you know any Chinese, Joyce, before you arrived in Beijing? — In fact, never _______ it.
A.
have I learned
B.
I have learned
C.
had I learned
D.
I had learned
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【单选题】听力原文：W: Could you check on the arrangements in the conference room for this evening's program? We may have more guests than expected. M: Sure, and I'll arrange for extra chairs. Is there anything else...
A.
Send out the invitations.
B.
Arrange for accommodations.
C.
Welcome guests to a show.
D.
Supervise preparations for an event.
查看完整题目与答案
【简答题】如图所示(3,1)卷积码编码器,寄存器初始状态为全0,输入原码110,编码后输出为 。
查看完整题目与答案
【单选题】美国的主要内河可航水道不包括( )。
A.
密西西比河
B.
圣劳伦斯河
C.
科罗拉多河
D.
亚马逊河
查看完整题目与答案
【多选题】可能导致汽车制动跑偏的情况包括: ( )
A.
左、右车轮的地面制动力不相等
B.
左、右车轮的制动器制动力不相等
C.
悬架导向杆系与转向系拉杆在运动学上不协调
D.
后轴的制动器制动力大于前轮的
查看完整题目与答案
【单选题】介绍酒店设施设备
A.
Mr.Jackson, this way please. May I have you room key please? I will bring you back to the room.In order to ensure the privacy of the guests, we need to swipe the card to arrive at all the rooms.
B.
Breakfast is served in seasonal tastes on the 50nd floor and the operation time is from 06:00am to 10:30am, just tell the attendant your room number when you have the breakfast. The hotel lounge is on the 51ST floor, operation time is from 09:00am to midnight, you can come here to order some drinks and snacks and spend your spare time. The JinYaoXuan Hotpot restaurant is on the 53rd floor, and the lunch time is from 11:30am to 2:00pm, dinner time is from 5:30pm to 22:00pm. And you can enjoy the seafood hotpot and local dishes.
C.
Mr.Jackson, Would you mind putting your luggage on the rack?
查看完整题目与答案
【单选题】甲类功率放大电路的能量转换效率最高是________。
A.
50％
B.
78.5％
C.
90％
查看完整题目与答案
【简答题】硫氰(SCN) 2 与卤素X 2 性质相似，试完成下列反应的化学方程式：HSCN+MnO 2 ___________________
查看完整题目与答案
【单选题】甲类功率放大电路的能量转换效率最高是 多少?( )
A.
50%
B.
78.5%
C.
90%
D.
100%
查看完整题目与答案
【判断题】左、右转向轮制动器制动力不相等可能导致制动时跑偏
A.
正确
B.
错误
查看完整题目与答案
【多选题】Which of the following are offers of extra help to guests when they check out?
A.
Mr. /Mrs. **, do you need an invoice?
B.
Mr. /Mrs. **, do you need any luggage assistance?
C.
Mr. /Mrs. **, may I ask you where your next destination is? I can assist you to book another ** (hotel brand) hotel.
D.
Mr. /Mrs. **, do you need taxi service or do you need me to issue the parking coupon?
查看完整题目与答案
相关题目：
【单选题】听力原文：W: Could you check on the arrangements in the conference room for this evening's program? We may have more guests than expected. M: Sure, and I'll arrange for extra chairs. Is there anything else...
A.
Send out the invitations.
B.
Arrange for accommodations.
C.
Welcome guests to a show.
D.
Supervise preparations for an event.
查看完整题目与答案
【简答题】如图所示(3,1)卷积码编码器,寄存器初始状态为全0,输入原码110,编码后输出为 。
查看完整题目与答案
【单选题】美国的主要内河可航水道不包括( )。
A.
密西西比河
B.
圣劳伦斯河
C.
科罗拉多河
D.
亚马逊河
查看完整题目与答案
【多选题】可能导致汽车制动跑偏的情况包括: ( )
A.
左、右车轮的地面制动力不相等
B.
左、右车轮的制动器制动力不相等
C.
悬架导向杆系与转向系拉杆在运动学上不协调
D.
后轴的制动器制动力大于前轮的
查看完整题目与答案
【单选题】介绍酒店设施设备
A.
Mr.Jackson, this way please. May I have you room key please? I will bring you back to the room.In order to ensure the privacy of the guests, we need to swipe the card to arrive at all the rooms.
B.
Breakfast is served in seasonal tastes on the 50nd floor and the operation time is from 06:00am to 10:30am, just tell the attendant your room number when you have the breakfast. The hotel lounge is on the 51ST floor, operation time is from 09:00am to midnight, you can come here to order some drinks and snacks and spend your spare time. The JinYaoXuan Hotpot restaurant is on the 53rd floor, and the lunch time is from 11:30am to 2:00pm, dinner time is from 5:30pm to 22:00pm. And you can enjoy the seafood hotpot and local dishes.
C.
Mr.Jackson, Would you mind putting your luggage on the rack?
查看完整题目与答案
【单选题】甲类功率放大电路的能量转换效率最高是________。
A.
50％
B.
78.5％
C.
90％
查看完整题目与答案
【简答题】硫氰(SCN) 2 与卤素X 2 性质相似，试完成下列反应的化学方程式：HSCN+MnO 2 ___________________
查看完整题目与答案
【单选题】甲类功率放大电路的能量转换效率最高是 多少?( )
A.
50%
B.
78.5%
C.
90%
D.
100%
查看完整题目与答案
【判断题】左、右转向轮制动器制动力不相等可能导致制动时跑偏
A.
正确
B.
错误
查看完整题目与答案
【多选题】Which of the following are offers of extra help to guests when they check out?
A.
Mr. /Mrs. **, do you need an invoice?
B.
Mr. /Mrs. **, do you need any luggage assistance?
C.
Mr. /Mrs. **, may I ask you where your next destination is? I can assist you to book another ** (hotel brand) hotel.
D.
Mr. /Mrs. **, do you need taxi service or do you need me to issue the parking coupon?
查看完整题目与答案