题目: 下列关于癌症筛查的说法,正确的是()A.普通人参与癌症筛查的意义不大B.癌症筛查有利于早期发现癌症和提高治愈率C.癌前病变只有体检才能检查出来,个人无法自己识别D.癌症是不治之症,癌症筛查结果只是自寻烦恼 答案: 参考答案:B
题型:选择题 ______ you are, ______ you will make. [ ]A. The less careful, The fewer mistakes B. The more carefully, the fewer mistakes C. The more careful, the fewer mistakes D. The more careful, the less mistakes 查看答案
题型:单项选择题 The tackle that raises and lowers the boom is().A.the cargo fallB.The cargo hoisting wire ropeC.the topping liftD.the cargo whip 查看答案