皮皮学，免费搜题
登录
搜题
【简答题】
可以给文字加上删除线的标签是
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】黑云母Ng≈Nm为深棕色，Np为淡黄色，已知主折射率为1.697、1.696、1.616，Np∧c=3°，请问黑云母的轴性光性（ ）
A.
一轴正晶
B.
一轴负晶
C.
二轴正晶
D.
二轴负晶
【简答题】Folk dancing in the United States is very fast; people 6)_______________. 4. The dancers wear 7) _______________.That makes the dances pretty to watch.
【简答题】黑云母Ng≈Nm,已知主折射率为1.697、1.696、1.616,Np∧c=3°,请问⊥Bxa切面的双折射率值是( )
【简答题】黑云母Ng≈Nm，已知主折射率为1.697、1.696、1.616，Np∧c=3°，请问⊥Bxo切面的双折射率值是（ ）
【单选题】In the United States the most popular form. of folk dancing since the early days has been square dancing. In early times, when men and women worked in groups to【21】a barn(谷仓) for harvest crops, they d...
A.
make
B.
set up
C.
build
D.
form
【简答题】Folk dancing in the Unites States is very fast; people ____________________________.
【简答题】???? In the United,States the most popular form. of folk dancing since the early days has been square dancing．In early times，when men and women worked in groups to （1） a barn(谷仓)for harvest crops，they...
【单选题】The original purpose of folk dancing in China was to…
A.
celebrate cultural differences.
B.
continue cultural traditions.
C.
help provide enough food for people.
D.
unite different ethnic groups throughout China.
【单选题】完成下列各题 In the United,States the most popular form. of folk dancing since the early days has been square dancing．In early times，when men and women worked in groups to 21________ a barn(谷仓)for harvest c...
A.
make
B.
set up
C.
build
D.
form
【简答题】Folk dancing in the United States is very fast; people 1) .
相关题目：