问题
单项选择题
三斜晶系晶体常数特征是：（）。
A.a=b≠c，α=β=ｒ=90°
B.a≠b≠c，α=β=90°，ｒ≠90°
C.a≠b≠c，α≠β≠ｒ≠90°
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
三斜晶系晶体常数特征是：（）。
A.a=b≠c，α=β=ｒ=90°
B.a≠b≠c，α=β=90°，ｒ≠90°
C.a≠b≠c，α≠β≠ｒ≠90°
参考答案：C
| 阅读理解。 | ||||||||
| ||||||||
| 1. Who can teach children to play the guitar? | ||||||||
[ ] | ||||||||
| A. Larry. B. David. C. Mr White. D. Susan. | ||||||||
| 2. Which number should you call at if you find the lost dog? | ||||||||
[ ] | ||||||||
| A. 6087593. B. 7328059. C. 5132633. D. 13935728866. | ||||||||
| 3. Which of the four people may get the job as a taxi driver? | ||||||||
[ ] | ||||||||
| A. A 50-year-old person. B. A 40-year-old person who can drive well in the city. C. A person who has just got his driver's license. D. A person who can drive and has free time on weekends. | ||||||||
| 4. When is hot water provided in the apartment according to the ad? | ||||||||
[ ] | ||||||||
| A. In the daytime. B. At night. C. At any time. D. Only in the afternoon. | ||||||||
| 5. How can you contact the owner of the apartment for more information? | ||||||||
[ ] | ||||||||
| A. By making a phone call. B. By going to visit it. C. By sending an e-mail. D. By sending a letter. |
