此题为判断题(对,错)。
第1题:
David ( ) on a new database at the moment.
A. currently work
B. is currently working
C. currently working
第2题:
第3题:
【单选题】请听录音并选出所读单词。
A.barn
B.bun
C.burn
D.born
第4题:
A:( ), David? B:An orange juice.
A. What do you like
B. What would you like
C. Would you like an orange juice
第5题:
用 Born-Haber 循环可计算BN晶格能。
第6题:
2、晶格振动有解的边界条件是波恩—卡曼(Born-Von Karman)条件。