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【单选题】
Z4-01-01有三种装置 (1)完全相同的两, 发出相同波长的光,照射到屏上; (2) 同一,用黑纸盖住其中部将钠分成上下两部分同时照射到屏上; (3) 用一照亮一狭缝,此亮缝再照亮与它平行间距很小的两条狭缝,此二亮缝的光照射到屏上; 以上三种装置,能在屏上形成稳定干涉花样的是:A.
装置(3)
B.
装置(2)
C.
装置(1)(3)
D.
装置(2)(3)
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【判断题】He majored in history in college,but he turned out to be a salesman after graduation.
A.
正确
B.
错误
【简答题】He majored in computer when he was in college. After graduation, he became a computer ____.
【单选题】10 A) He applies for this job to earn more money B) He majored in computer in the univesity C) He knows little about computer D) He has just graduated from a university
A.
1
B.
2
C.
3
D.
4
【单选题】He majored in ____ literature in college, but he turned out to be a salesman after graduation.
A.
a
B.
the
C.
/
【简答题】It is well-known that Jiang was born on August 17, 1926, in the city Yangzhou in Jiangsu Province. He studied at ( ), where he majored in electrical engineering, and graduated in 1947.
【单选题】设C语言中,一个short int型数据在内存中占2个字节,则unsigned short int型数据的取值范围为:
A.
0~65535
B.
0~32767
C.
0~255
D.
0~2147483647
【单选题】设 C 语言中 , 一个short int 型数据在内存中占 2 个字节 , 则 unsigned short int 型数据的取值范围为 :
A.
0 ～ 255
B.
0 ～ 32767
C.
0 ～ 65535
D.
0 ～ 2147483647
【单选题】He majored in ________ when he studied in university.
A.
muscle n. 肌肉; 力量; 权威，权力;
B.
ranking n. 社会地位，社会阶层;adj. 头等的; 高级的;
C.
peacemaker n. 调解人，调停人;
D.
philosophy n. 哲学; 哲理; 哲学体系，哲学思想;
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