单词。

1. The children are doing well a____________ (学业上).

2. Her abilities are not fully a____________ (欣赏) by her employer.

3. They brought back a few s____________ (纪念品) from their holiday in Greece.

4. Her husband's death left a v____________ (真空) in her life.

5. Kids e____________ (精疲力竭) themselves by running wildly around the park.

6. Crowds poured into the Beijing Worker's S____________ (体育场) to watch the performance.

7. She knew she hadn't done enough r____________ (复习) for tomorrow's exam.

8. With winter a____________ (临近), many animals are storing food.

9. I didn't want to ask her a lot of e____________ (尴尬的) questions in front of her friends.

10. The singer got an e____________ (热情的) reception at the airport.

CK-MM亚型对急性心肌梗死的早期诊断较敏感，一般以下列哪项作为诊断标准（）

A.MM₃／MM₁>0.5

B.MM₃／MM₁>1.0

C.MM₃／MM₂>1.5

D.MM₁／MM₃>1.5

E.MM₁／MM₃>1.0