提示心内膜下缺血的EVR（心内膜存活率）临界值为（）
A.<0.5
B.<0.6
C.<0.7
D.<0.8
E.<1.0
参考答案：C
根据上句完成下句，且使上下两句意思一致，每空一词。
1. —Could you help me? —Certainly.
—Could you help me? —_____ _____ .
2. Can you take care of my little dog?
Can you_____ _____ my little dog?
3. They often play basketball on Saturdays and Sundays.
They often play basketball _____ _____ .
4. When does he go to see a film?
When does he_____ _____ _____ _____ ?
5. Pandas are a little interesting.
Pandas are_____ interesting.
被领导者
思一致，每空一词。