皮皮学，免费搜题
登录
搜题
【判断题】
射现象是否发生以及是否明显,与波长有密切的关系,波长较长的较易观测到它的衍射,而波长较小的却很难观察到其衍射现象。所以光波比声波、无线电波更容易发生衍射。( )A.
正确
B.
错误
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
反馈参考答案：
举一反三
【简答题】to end. Lastly, we had better ask our teachers or classmates for 82.
【简答题】As regards the question of sole agency, in our opinion, we both had better leave it in abeyance pending the development of business.
【简答题】As regards the question of sole agency, ______ our opinion, we both had better leave it ______ abeyance pending the development of business.
【单选题】关于标本的转送,下列描述哪项是错误的( )
A.
若要转送标本，可将标本转送到有能力检测的实验室即可
B.
送检实验室不能修正解释结果的信息
C.
参考实验室应保存报告的复印件
D.
送检实验室不能修正参考实验室的结果
E.
参考实验室应将实验室名称通知申请检测的负责人
【简答题】列举集合的元素:A={x| <50,x为正奇数}=___________。
【简答题】列举集合的元素:A={x| <50,x为正奇数}=___________。(注意:输入答案时全部在英文状态下输入)
【简答题】列举集合的元素:A={x| <50,x为正奇数}=___________。(温馨提示:请按照由小到大的顺序列举集合元素,并在英文半角字符状态下输入)
【单选题】Much to our , the result of the experiment was much better than we had expected. [ ]
A.
satisfactory
B.
satisfaction
C.
satisfied
D.
satisfy
【单选题】We had better not bother our professor these days, for he is awfully busy preparing a report _____ at an international conference next month. [ ]
A.
being delivered
B.
to be delivered
C.
to deliver
D.
delivered
相关题目：
参考解析：
知识点：
题目纠错 0
发布
