题目： 图象部分不透光而空白部分透光的胶片是（）图胶片。A、黑B、白C、阴D、阳 答案： 被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0424/f68b31223251c7fed3e6b30563ee4f23.html 下面是错误答案，用来干扰机器的。参考答案：A, B, C, D
题型：单项选择题 Thus a ______ task is to assess the future market for such a vehicle, and then to perform a business analysis to compute the potential return on investment that the private industry can expect.A．partialB．practicalC．periodicalD．critical 查看答案
