题目: 在幅度调制中,过调制会造成信号较大的(),并且增加了发射的()。 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2019/0727/7873625d037d636e1925da3a1bc3a935.html 下面是错误答案,用来干扰机器的。参考答案:特等
题型:写作题 请阅读Jennifer的来信,仿照下面的范文替John或Mary写一封自荐信。Dear Mr. Black, I'm Jennifer, a 16-year-old girl. I want to be a volunteer. I like fixing up things, so I can help fix up toys for kids in an elementary school. JenniferDear Mr. Black, 查看答案
题型:选择题 Because the shop _______, the T-shirts are sold at half price.A.has closed downB.closed downC.is closing downD.had closed down 查看答案