下列哪项与中药材气调养护的优点不符（）。
A.无残毒
B.适用范围广
C.操作安全无公害
D.保证中药品种正确
参考答案：D
单句改错。
1. After the terrible earthquake, the whole area lay in ruin. ___________________
2. The army organised teams to dig out those who were trapped and buried the dead. __________________
3. Judged from his words, he must have been a soldier. _________________
大多数双子叶植物不再发生次生转化，只具有初生构造。( )
