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【简答题】
阅读下列程序，写出程序的运行结果【 】。 include＜iostream. h＞ void main() { char str1[ ]: 'Hello, World?; char str2[100]; int i=0; do{ if (str1[i]＞= 'a'&& str1[i]＜= 'z' ) str2[i]=str1[i]-32; else str2[i]=strl [i]; i++; }while(strl[i]!='/0'); str2[i]='/0'; cout＜＜str1＜＜end1； cout＜＜str2＜＜end1； }
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皮皮学刷刷变学霸
举一反三
【多选题】Your personal job skills should not be the only factor considered while making career decisions. Many other important factors that should be considered include_______
A.
interests
B.
work environment
C.
earning potential
D.
promoion
【简答题】某显色剂R与金属离子M和N分别形成有色络合物MR和NR,在某一波长测得MR和NR的总吸光度A0.630。已知在此波长下MR 的透射比为30%, 则NR的吸光度为______。
【简答题】某显色剂R分别与一定浓度的金属离子M和N形成有色络合物MR与NR，在一定波长下测得其吸光度分别为0.250和0.150，若某溶液中同时存在相同浓度的这两种有色络合物MR与NR，则其吸光度应为 。
【简答题】人皮肤pH一般在4.5～5.6之间，则皮肤表面显 ______性，如果某人皮肤的pH为8.2，现有下列四种pH不同的洗面奶供选购：①4.5；②6.5；③8.2；④8.5；他最好购买 ______（填序号）号洗面奶．
【多选题】All types of self-completion questionnaires should be accompanied by a cover letter, which should include:
A.
The purpose and significance of the research
B.
The way through which the prospective respondents are selected
C.
The instructions on how to answer and return the questionnaire
D.
A promise of anonymity and confidentiality
E.
An expression of appreciation for the respondents’ time and help
F.
Incentives for returning the questionnaire if there are any
【多选题】Gifts that should be avoided in Japan include:
A.
bourbon( 波旁威士忌酒 )
B.
a painting with a setting sun
C.
camellias（ 山茶花 ）
D.
potted plants （盆景）
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