皮皮学，免费搜题
登录
搜题
【判断题】
由于电网电压的波动和负载的变化,直流稳压电源中需要有稳压环节。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】Q:What time does the oil barge come here?
A.
Tonight.
B.
Tomorrow morning.
C.
Tomorrow afternoon.
D.
Tomorrow night.
【简答题】根据对话内容，从方框内的选项中选出能填入空白处的最佳选项，选项中有两项为多余选项。 Mrs. Lee: Hello. 68178502. David: Hello. 小题1: ? Mrs. Lee: Sorry. 小题2: . Can I take a message? David: Yes. This is David, Bruce’s friend. I want to ask him ...
【单选题】根据增值税法律制度的规定，下列各项中，应当征收增值税的有（）。
A.
纳税人受托开发软件产品，著作权属于委托方的
B.
纳税人受托开发软件产品，著作权属于受托方的
C.
纳税人受托开发软件产品，著作权属于双方共同拥有的
D.
软件产品交付使用后，按期或者按次收取的维护费、技术服务费、培训费
【简答题】oil barge
【单选题】The fourth engineer accompanied by the workers on oil barge measures the oil levels, temperature and _____ in the tanks.
A.
tank table
B.
trim
C.
water contents
D.
oil pressure
【单选题】Q:When will the oil barge come here?
A.
In about 25 minutes.
B.
In about 12 minutes.
C.
In about 20 minutes.
D.
In about 200 minutes.
【单选题】.Q:What time does the oil barge come here?
A.
Tonight.
B.
Tomorrow afternoon.
C.
Tomorrow night.
D.
Tomorrow morning
【简答题】3 I’ll ring you if I can come. = I’m sure/not
sure that I can come. ____
相关题目：