皮皮学,免费搜题
登录
搜题
【多选题】
光波发生干涉的条件有( )。
A.
频率相同
B.
振幅相同
C.
振动方向相同
D.
相位差恒定
拍照语音搜题,微信中搜索"皮皮学"使用
参考答案:
参考解析:
知识点:
.
..
皮皮学刷刷变学霸
举一反三
【单选题】At a village fair , I decided to visit a fortune-teller called Madam Bellinsk. 划线词的意思是:
A.
集市
B.
公平的
C.
可接受的
D.
浅色的,白皙的
【简答题】Some people simply enjoy high levels of physiological excitement, Sparks said. According to the literature, about 10 percent of the population enjoys the adrenaline rush . 句中划线词的意思是________。
【单选题】She returned to the shop the following morning dressed in a fur coat, with a handbag in one hand and a long umbrella in the other. 划线词的意思是:
A.
在。。。里面
B.
穿着
【单选题】Why don't we just ( )?
A.
wait for the lift
B.
take the stairs
【简答题】钴治疗机的优缺点:
【简答题】钴治疗机的优缺点: ( 放第五章 )
【简答题】An illustrator is a person who makes pictures in a book or magazine. 划线词的意思是: illustrator: ______________
【单选题】Why don't we have lunch together?
A.
Michael
B.
Shelley
C.
Paul
【单选题】(词汇理解 U5TextA P10)In America the platforms lobbied furiously for the creation of a new category of employment, somewhere between self-employment and employment. 划线词的意思是:
A.
门厅
B.
休息室
C.
游说
D.
游戏
【单选题】“出则 衔恤 ,入则靡至。” 句中划线词的意思是( )
A.
含忧
B.
伤心
C.
无精打采
D.
悲痛
相关题目: