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【单选题】
Dear Emily, I like your TV programs very much. I’m now writing to ask you something about American social customs( 习俗 ). My American friends want me to join them in their dinner party. I am very happy and have decided to go but I’m a little worried about it too. The social customs here are very different from those in my country, and I know little about them. Should I bring a present, such as sweets or flowers? Should I arrive on time or a little late? At the dinner table, how can I use the fork and knife? How can I let the family know that I’m thankful for their kindness? Love, Zhang Hong ( ) 58.In Zhang Hong’s opinion, ________ may be a proper present for a dinner party. A. some money B. a knife and fork C. some flowersA.
some money
B.
a knife and fork
C.
some flowers
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【单选题】It is not advisable to use nylon for alongside towing because it ______.
A.
is too expensive for everyday towing usage
B.
binds on the cleats
C.
parts too readily
D.
stretches too much
【简答题】清代乾隆时期编纂的古代彝器方面专著有____________、____________、_____________。
【单选题】It is not advisable to use the general, all-covering apology because ______.
A.
it gets one into the habit of making empty promises
B.
it may make the other person feel guilty
C.
it is vague and ineffective
D.
it is hurtful and insulting
【单选题】下列说法错误的是( )。
A.
利用行业增长比较分析和行业增长预期分析，行业分析师可以选择出处于成长期或稳定期、竞争实力雄厚、有较大发展潜力的行业
B.
根据国民生产总值的计划指标预测值与行业的相关性，可以预测行业未来销售量
C.
对行业未来增长率预测，至少需要有2年的数据才具有足够的说服力
D.
利用行业历年销售额与国民生产总值，国内生产总值的周期资料进行对比，只是说明过去的情况
【单选题】不同时期会有不同的流行语,比如当前流行“正能量”“微信”“4G”,“互联网+”等.通过流行语的变化,我们能够感受时代的变迁(如表所示).下列流行语符合“文化大革命”时期的有 1“红卫兵”2“走资派”3“上山下乡”4“两个凡是”
A.
①②③
B.
①③④
C.
①②④
D.
②③④
【单选题】A 、 B 、 C 、 D 都是含碳、氢、氧的单官能团化合物, A 水解得到 B 和 C , B 氧化可以得到 C 或 D , D 氧化也得到 C 。若 M(X) 表示 X 的摩尔质量,则下式正确的是
A.
M(A) = M(B) + M(C)
B.
2M (D) = M(B) + M(C)
C.
M(B) < M(D) < M(C)
D.
M(D) < M(B) < M(C)
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