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【判断题】
翡翠是一种硬玉,翡是绿色,翠是红色。A.
正确
B.
错误
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皮皮学刷刷变学霸
举一反三
【简答题】In the hospital patients with measles (麻疹)were _____ by glasswalls from those suffering from other diseases. A) identified B) banned C) isolated D)sheltered
【简答题】并联谐振也称为() A电压谐振 B电流谐振 C电感谐振 D电容谐振
【简答题】简述工程质量事故的原因类别
【简答题】RLC并联谐振时,阻抗达到最_____值,若输入电压不变,电流达到最_____值,同时 ,RLC并联谐振也被称为________谐振。
【单选题】Results of the experiment indicated that ______.
A.
patients treated with venom were stung less frequently
B.
immunotherapy was effective for all patients
C.
immunization took place in 7 out of 12 patients
D.
the traditional treatment was as effective as the placebo