何谓平行（并联）实验？
参考答案：
即几个试验中只要有一个试验呈现阳性即诊断为阳性。优点是灵敏度高，漏诊率低；但同时特异度降低，误诊率高。
单词拼写。
根据下列句子所给汉语意思，写出空缺处各单词的正确形式。
1. In the city, the water pipes in some buildings cracked and b____.
2. Anyone providing information which leads to the recovery of the painting will be r_____.
3. Sixty percent of voters said they would _______(自愿) pay higher taxes for better health care.
4. These exercises are _______(设计) to strengthen muscles(肌肉).
5. He has been _______(宣判) to pay a fine of 1000.
生育年龄的妇女，血中雌激素分泌的第一个高峰是在
A．月经中
B．月经周期第一周
C．月经周期第21天
D．排卵前1天
E．排卵后11天
