问题
单项选择题
超声检查半月板，最理想的探头频率是（）
A.3.0MHz
B.3.5MHz
C.4.0MHz
D.5.0MHz
E.7.5MHz
答案
参考答案：E
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超声检查半月板，最理想的探头频率是（）
A.3.0MHz
B.3.5MHz
C.4.0MHz
D.5.0MHz
E.7.5MHz
参考答案：E
| 短语辨析。 从方框里选择正确的短语，并用其正确的形式填空。 | |
2. In the game he _____ the basket 11 times but had only 5 succes ses. 3. Should I ____with you for the next two days? 4. Young people ____ to beautify our city. 5.____the past libraries, today's libraries are equipped much better. 6. The ages of the kids in the kindergarten_____2 years old ____6 years old. 7. The 1666 London fire____ many important buildings____. 8. Don't _____,boys;there's no danger. 9. I'm ____her safety. 10. My leg got hurt, but I____ home. |