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【多选题】
在列举的条件中( )属于液相色谱仪紫外检测器的技术指标。A.
紫外检测器波长范围为 190~700nm
B.
波长精度
C.
波长重复性
D.
漂移<10 微伏/月
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举一反三
【单选题】What do we learn from the last paragraph?
A.
People can avoid making mistakes through meditation.
B.
Meditation may prove to be a good form. of psychotherapy.
C.
The effects of positive thinking vary from person to person.
D.
Different people tend to have different ways of thinking.
【单选题】People who have studied ancient instruments are hoping to learn more about the culture that ______ this ancient flute.
A.
produce
B.
produced
C.
is producing
D.
was produced
【单选题】One purpose of Peking Opera masks is to help people learn about the characters of the roles.
A.
T
B.
F
【单选题】某教育局对其辖区内甲、乙两学校的教师业务素质进行考核,在甲学校随机抽取 100 人, 85 人考核结果为优良;乙学校随机抽取 120 人, 103 人考核结果为优良。本题中资料类型与设计类型分别为
A.
定 量 资料和成组设计
B.
定量资料和配对设计
C.
分类资料和成组设计
D.
分类资料和配对设计
【多选题】对毛泽东《忆秦娥·娄山关》的下阕分析正确的是
A.
第一句是说人们陡然传说娄山关坚硬如铁
B.
第二句说现在我们正从头上大踏步地越过雄关
C.
最后两句以景句收笔，极有情味
D.
简练的指出了战斗的时间、景候，还创造出一个壮烈的抒情氛围
E.
即便关山漫漫，长路艰险，但已定下从头做起，突出了这支革命队伍跨越雄关，踏平先祖的坚强决心和无为勇气
【单选题】From the tales told by the Inuit, people can learn ______.
A.
about their life as early as thousands of years ago
B.
why they tell the stories in a throat singing way
C.
how cold it has been where the Inuit live
D.
how difficult it is to understand the Inuit
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