题目内容

运算电路中的集成运放一般工作在线性区。()

A. 对
B. 错

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集成运算放大电路由一个输入端()

A. 对
B. 错

Task 1 Work in pairs. Discuss the questions below.1. On what occasions do people send and receive invitations?

2. What information is usually included in an invitation?

Task 2 Read the invitations below and complete the following statements.1.The dinner for ______________ will be held at Grand Hotel.2. Sarah invites her friends to _.3. “RSVP” means _____________________________.4. Bob invites Lisa to_.