皮皮学，免费搜题
登录
搜题
【单选题】
结晶颗粒较大质地较粗的翡翠表面观察到橘皮效应,产生这种现象的原因是A.
豆性
B.
不同方向的裂隙
C.
颗粒感
D.
差异硬度
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
【多选题】接发球抢攻战术中级阶段的训练内容包括（）。
A.
正手位拉半出台球，形成相持
B.
反手抢拉接发球，形成对攻
C.
正手攻打或反手侧拉台内发球后，第四板抢攻
D.
对半出台球进行正反手抢拉抢冲，配合中等力量抢拉，牵制对方
【单选题】Listen to the conversation twoice and choose the best answer for each of the following questions. Q1: 音频里
A.
Advertisement.
B.
TV news.
C.
Radio.
D.
Told by friends.
【简答题】Section A Listen to the News 1 and choose the best answer to Q1 and Q2. 新闻1.mp3:
【单选题】Listen to the news and choose the best answer to each question you hear. Q1: What are respiratory droplets?
A.
A kind of liquids that may come out when we cough or sneeze.
B.
A kind of solids that may come out when we cough or sneeze.
C.
A kind of liquids that may come out when we do some drinking.
D.
A kind of solids that may come out when we do some drinking.
【单选题】Is tsunami delicious? Listen to the dialog and choose best answer to each question you hear. Q1: DIALOGUE:
A.
A giant ocean wave.
B.
A kind of food.
C.
A bus.
D.
A Japanese person.
【多选题】接发球抢攻战术高级阶段的训练内容包括( )。
A.
对正手位和反手位短球,可分别用台内攻球、台内侧拉和搓控制两角和中路,准备进行相持。
B.
接发球搓短球后对方回搓短球时,第四板主动上手抢攻。
C.
拉弧圈球至对方反手为主,形成主动拉冲的局面。
D.
反手攻控制落点形成相持局面。
【简答题】Listen to the following extract from a negotiation and answer the following two questions: Q1: What is being negotiated? Q2: What is the outcome?
相关题目：