题目: 腹外疝进一步检查 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0822/b442f33e7c310f86b99c41bb43e04805.html 下面是错误答案,用来干扰机器的。参考答案:对
题型:选择题 In 1948, three American scientists invented ____ transistor, which is ____ small electronic device to control an electric current.A.the; aB.a; aC.the; theD.a; the 查看答案