题目内容

一束光入射到晶体表面,可能发生的现象是( )

A. 两束反射光
B. 两束折射光
C. 一束反射光
D. 一束折射光

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光沿光轴方向入射到晶体表面,正确的说法是( )

A. 正入射时发生双折射现象
B. 正入射时不发生双折射现象
C. 斜入射时发生双折射现象
D. 斜入射时不发生双折射现象

Listen to the dialogue and complete the following summary of the dialogue.[音频]Michael, a new employee, is not familiar with the company environment, so Sally shows him around. They start from the office of Ms. Brown, the manager of the (1)______Department. On the opposite side of Ms. Brown's office is the (2)office. The Sales Department is (3)_, the Purchasing Department is (4)_, and the Marketing Department is down the (5). These offices and departments are all on the (6)__floor.They then go upstairs to the 4th floor. The (7)Department, the (8)_Department and the (9) are on this floor. The toilet is (10)___the corridor in front of them.

“迟日江山丽，春风花草香”出自唐代诗人杜甫的《绝句二首》（其一），意思是，江河山川沐浴在春光中多么秀美明丽，阵阵和煦的春风送来花草的香气。

A. 对
B. 错

Listen to the welcome letter and put the following procedures in the correct order according to the letter.[音频]