肝破裂大出血的主要处理是A．用止血剂B．输血C．补液D．急诊手术E．吸氧

He visited the Effel Tower, which _____ to 1889, during his stay in France last summer. [ ]

A. dated back

B. dates back

C. has dated back

D. has been dated back

He moved away from his parents and missed them ________enjoy the exciting life in China.

A．too much to

B．very much to

C．enough to

D．much so as to

应用程序的main方法中有以下语句，则输出的结果是（）。
Hashtable hashtable=new Hashtable______;
hashtable.put("x","12345");
hashtable.put("y","67890");
hashtable.put("a","abcde");
System.out.println(hashtable.get("a"));

A．a 

B．abcde 

C．12345 

D．67890

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