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【判断题】
Google’s employees work in places where traditional office designs are used.A.
正确
B.
错误
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知识点：
皮皮学刷刷变学霸
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【单选题】—Good morning, sir. What can I do for you? —I want to change the shoes my friend bought yesterday. It’s not my size. Q: What is the relationship between the two speakers?
A.
They are boss and secretary.
B.
They are customer and waiter.
C.
They are consumer and shop assistant.
D.
They are teacher and student.
【简答题】电子支付,是指以电子计算机及其网络为手段,将负载()取代传统的支付工具用于资金流程,并具有实时支付效力的一种支付方式。A. 有特定信息的电子数据 B. 有秘密信息的电子数据 C. 有通用信息的电子数据 D. 有一般信息的电子产品
【多选题】单出杆活塞式液压缸的特点是( )。
A.
活塞两个方向的作用力相等
B.
活塞有效作用面积为活塞杆面积2倍时，工作台往复运动速度相等
C.
其运动范围是工作行程的2倍
D.
常用于实现机床的快速退回及工作进给
【简答题】完形填空。 Steve and Mark were good friends. They decided to spend their vacation in Haiti. Since they 1 no French, they took a French word book with them and hoped it would help them in difficult situatio...
【简答题】They decided to ________(merge) the two small companies into one.
【单选题】Listen to a team having a meeting to decide how to complete the task below. Choose the options they decide on. Set up a catering company Your team wants to start a business that prepares food for cust...
A.
Food4event
B.
Italy on the move
C.
Buon Appetito
【多选题】差动连接的单出杆活塞式液压缸的特点是______。
A.
缸两端油口同时进油
B.
活塞由有杆腔向无杆腔运动
C.
差动的速度为系统油液流量除以活塞杆的面积：v=Q/A 3
D.
活塞的推力为系统油液压力乘以活塞杆的面积：F=PA 3
E.
活塞往复运动速度较大
F.
活塞往复运动克服的负载不相等
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