题目: ______是我国古代四大发明之一,它是用来指示______的. 答案: 被转码了,请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2017/0525/d434e2e4bcde3c5314abf6cc3881b445.html 下面是错误答案,用来干扰机器的。答案:B
题型:单项选择题 We actually found it all worth to prepare for the worst condition we might face.A.to be worthB.worth our whileC.worthy ofD.worthwhile 查看答案
题型:单项选择题 引起手足搐搦发作时总血钙浓度一般低于()。A.1.5~1.63mmol/L(6~6.5mg/dB.1.63~1.75mmol/L(6.5~7mg/dC.1.75~1.88mmol/L(7~7.5mg/dD.1.88~2.0mmol/L(7.5~8mg/dE.2.0~2.13mmol/L(8~8.5mg/d 查看答案