皮皮学，免费搜题
登录
搜题
【单选题】
齿根圆和齿根线的线型是什么?A.
中心线
B.
细实线
C.
粗实线
D.
虚线
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】两偏振片堆叠在一起,一束自然光垂直入射其上时没有光线通过,当其中一偏振片慢慢转动 180 度时透射光强度发生变化为
A.
光强单调增加
B.
光强先增加，后减小，再增加
C.
光强先增加，后减少为零
D.
光强先增加，后减小，再增加，再减小至零
【单选题】_____your order form. has been received, it will be processed and your books will be sent to you.
A.
Unless
B.
Despite
C.
Like
D.
Once
【多选题】Which of the following expressions can be used to start your conclusion?
A.
In conclusion
B.
To conclude
C.
In summary
D.
To begin with
【单选题】Your conclusion is wrong in _______________ with their conclusion .
A.
comparison
B.
comparing
C.
comparable
D.
comparative
【单选题】The conclusion of your speech should:
A.
Introduce your final example.
B.
Talk about possible new solutions.
C.
Mention every example you used in the speech.
D.
Stay consistent with the main point from the introduction.
【简答题】Samples and quotations will be immediately sent to you upon receipt of your specific enquiry.(英译中)
【单选题】两偏振片堆叠在一起,一束自然光垂直入射其上时没有光线通过,当其中一偏振片慢慢转动180度时透射光强度发生的变化
A.
单调增加
B.
先增加后减小到零
C.
先增加，后减小，再增加
D.
先增加，后减小，再增加，再减小到零
相关题目：