如图13-7-11所示,A、B、C表示匀强电场中的三点，它们的电势分别为φA="

Many word processing programs include spell checker. It checks the spelling of every word in a (120) by looking up each word in its dictionary. If the word does not appear in the dictionary the user is (121) to possible misspelling and possible corrections are often (122) . Spell checker does not recognize unusual people names or specialized terms, but it will often allow you to create your own personal dictionary of specialized words you often use. Spell checker is a valuable aid to proofreading, but it can not catch the (123) of one correctly spelled word for another (such as form for from). Thus it does not (124) a document is free of spelling errors.

（120）处是（）

A.document

B.equipment

C.program

D.statement

记账时不得隔页、跳行、如果发现隔页、跳行时，不得随意涂改，应将()。

A.空页、空行用红线对角划去

B.账页撕下并装入档案保存

C.注明“此页(行)空白”字样

D.由记账人员签章

吸入性肺脓肿中，与上叶后段或下叶背段发病关系最密切的体位是（）

A.仰卧位

B.俯卧位

C.直立位或坐卧位

D.右侧卧位

E.左侧卧位

人体血红蛋白的基本组成单位是（）

A.氨基酸

B.葡萄糖

C.核苷酸

D.脂肪酸

某铸造铁炉温[Si]＝1.6%，[S]＝0.063%，该铸造铁为（）。

A.二类铁

B.三类铁

C.号外铁

D.一类铁