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【多选题】
握手的禁忌有A.
忌多人同时握手
B.
男女握手都忌戴手套
C.
忌紧握对，摇来摇去
D.
握手进低头哈腰或与他人打招呼
E.
忌将左手放在裤袋里
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举一反三
【单选题】示差分光光度法和一般分光光度法的不同点在于参比溶液不同。前者的参比溶液为
A.
溶剂
B.
蒸馏水
C.
在空白溶液中加入比被测试液浓度稍低或稍高的标准溶液
D.
在空白溶液中加入比被测试液浓度高的多的标准溶液
【单选题】Which is not the stressful moment in real life?
A.
Pay the bills.
B.
Prepare the meals.
C.
Earn more money.
D.
Play with the babies.
【简答题】原子吸收分析常用的火焰原子化器是由 组成。原子化器的主要作用是 。
【简答题】常用的原子化器有火焰原子化器和_________两类,火焰原子化器由______、_____和______组成。
【单选题】What do we know about the speaker's life in the past?
A.
It was stressful.
B.
It was colorful.
C.
It was peaceful.
D.
It was boring.
【单选题】Which of the following statements is NOT true of the stressful situation in modern life?
A.
To pay the mortgage.
B.
To commute to the office.
C.
To further one's qualifications.
D.
To resume digestion.
【单选题】Life is stressful, and complaining may be considered by many as an extension of being________normal.
A.
urgently
B.
absolutely
C.
casually
D.
clumsily
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