举例说明，对并发事务的一个调度是可串行化的，而这些并发事务不一定遵守两段锁协议。
参考答案：
A man passing by sent me to a nearby hospital, and ______ his help, I received the medical treatment in time.
A．according to
B．regardless of
C．along with
D．thanks to
“F“系 * * 0英镑钞票安全线采用了新的（）安全线防伪技术。
