【单选题】–Do you know __________tomorrow? --At 8 o’clock.
【单选题】-_______did Sally_______ on Sunday? -She went to Beijing.
【简答题】如果某因素能引起系统误差,则会引起分析结果相对于“真值”的 性偏离,主要影响分析结果的 (准确度、精密度)。如果引起的是随机误差,主要影响的是分析结果的 (准确度、精密度)。
【简答题】What was Sally's problem this week? [ A] She went to bed early. [B] She did not pass on a message to him. [ C] She made too many mistakes on work.
【简答题】What did Hill suggest that Sally should do?
【简答题】Why did Sally wake up early?
【单选题】—How well did Sally do in writing ? —Among the students, she made the ________ mistakes.
【简答题】分别改正如 图 所示各电路中的错误,使它们有可能放大正弦波信号。要求保留电路原来的共射接法和耦合方式。 (a) (b) (c) (d)
【单选题】---Did Sally leave a message? ---Yes. She wanted to know _______go shopping with her.