未经加工的珊瑚

患儿，3岁。低血钙抽搐需用钙剂治疗，护士凭借经验从固定位置取出10％葡萄糖酸钙，未查对。注射后患儿死亡：经查实推注的是10％氯化钾。该护士的行为属于

A．意外事故

B．故意犯罪

C．过失犯罪

D．侵犯行为

E．医疗差错

丁苯橡胶的结构简式为合成这种橡胶的单体应是 [ ]

①②CH₃-CH=CH-CH₃ ③CH₂=CH-CH=CH₂

④CH≡C-CH₃ ⑤    

A．①②    

B．④⑤    

C．③⑤    

D．①③

下列关于左、右主支气管的描述中错误的是（）

A.气管在隆凸处分为左、右主支气管

B.右主支气管较左主支气管粗、短、直

C.进行气管插管时，若插入过深时易误插入右主支气管

D.异物易吸入左主支气管

E.肺脓肿好发于右肺与右主支气管的结构特点有关

之所以说“国债是一个特殊的财政范畴”，原因在于国债是政府为了弥补财力的不足而通过认用方式筹集的( )财政收入。

A．经常性

B．补充性

C．偿还性

D．强制性

With the widespread use of the personal computer, many authorities in the field of (56) have pointed out the need for computer literacy.
Unfortunately, there is no (57) agreement as to what the term "computer literacy" means. Some feel that computer literacy means knowing how to make the computer "compute"; that is knowing how to program computers in one or more programming languages.
Others feel that knowing how to program is merely a small segment of computer literacy. These people (58) the major emphasis in schools should be on teaching how to effectively use the many software packages that are available.
Still others suggest that computer literacy education is not required. They suggest that computers are being so rapidly integrated into our society that using a computer will be as (59) as using a telephone or a video tape recorder, and that special education will not be necessary. (60) of one’s definition of computer literacy, it is recognized by most that learning to use a computer is indeed an important skill in modern society.

A．equal

B．universal

C．different

D．difficult

E．common

F．big