"Dirt and disease go hand in hand."中为什么用"hand"?不好意思，打错了，为什么用go

Dirt and disease go hand in hand.中为什么用hand?不好意思，打错了，为什么用go At about the same time,doctor began to understand _____ together.what went dirt and diseasethat dirt and disease went 填哪个 为什么 Dirt and disease are adverse to the best growth of children(为什么要adverse放在are后面? 英语单选解析请帮我从语法句子结构和答案之间的比较这几方面分析一下题目.1.We must keep our room clean,for dirt and disease go ____,you know.A.hand in hand B.one after another但是我选的是B.B哪里不对?2.What shal We must keep our room clean.Dirt ...We must keep our room clean.Dirt and diseases go ___,you know.A.from time to timeB.hand in handC.step by stepD.up and down这道题选B,怎么翻译呢?Thanks! foot-and-mouth disease是什么意思 disease Dirty Deeds and they're Done Dirt Cheap treat them like dirt and they stick to you like one after other / one after the othersWe must keep our room clean.Dirt and diseases go ___,you know.A.from time to timeB.one after anotherC.step by stepD.hand in hand维森么选D B为什么不可以? 概率论一道题,求教Do you have a rare disease?Suppose that 1 in 633 people have a particular disease.You go to the doctor and they suggest that you be tested for the disease.The test will accurately give a positive test result with probability Tourism and foot and mouth disease请帮忙译一下 Tourism and foot and mouth disease演讲的翻译 Dirt Road underneath all that dirt and grime 请问 underneath 在这里是介词还是副词 为什么 Regardless of poverty to wealth,health and disease,never abandon? Regardless of poverty to wealth,health and disease,never abandon disease什么意思.救济.帅哥and美女们