当进行旋律连接时，用旋律连接法进行连接，低音要做不超过多少度的进行（）？A二度B三度C四度D五度

​​​​​​​是哪一种装饰音的演奏谱（）。A​​​​​​​B​​​​​​​C​​​​​​​D​​​​​​​

现代教学设计的基本原则包括（）。①整体设计与要素设计统一；②静态设计与动态设计统一；③理性与操作性、可行性统一；④规范性与创造性统一；⑤最优化与阶段性统一A①②③④B②③④⑤C①③④⑤D①②③④⑤

STS思想的实质是（  ）A人文精神和社会精神的统一 B科学精神和社会精神的统一C科学精神和人文精神的统一D人文精神和社会精神的统一

《义务教育化学课程标准（2011年版）》屮有这样一段话：教师既要吸取以往习题教学的经验，还应积极改进习题教学...单一的题型和测试目标不利于培养学生应用知识解决实际问题的能力 要对已有习题进行改造，重视习题的创新，精心设计多样化的习题，以发

下列各组液体混合物，用分液漏斗不能分开的是A甲苯和液溴B溴乙烷和水    C水与煤油  D饱和碳酸钠溶液和乙酸乙酯

下列关于实验基本操作的叙述，不正确的是（）。A用蒸发皿进行加热蒸发时，不需要垫加石棉网即可直接进行加热B蒸馏实验中，要在烧瓶中加入几粒沸石或碎瓷片，以防止液体发生局部过热而暴沸C蒸馏时，冷凝水应从冷凝管上口进，下口出D分液时，分液漏斗中的下

已知反应：X+Y=M+N为放热反应，对该反应的下列说法正确的是（ ） A该反应为放热反应，因此不必加热即可反应BX能量一定高于MCX和Y的总能量一定高于M和N的总能量DY能量一定高于N

下列可证明甲烷分子是正四面体结构的是A一氯甲烷没有同分异构体B二氯甲烷没有同分异构体 C三氯甲烷没有同分异构体D四氯甲烷没有同分异构体

Some tribes _______ with their cattle in search of fresh grass.AimmigrateBmigrateCemigrateDtransfer

They heard the_______ of swords and realized that the fighting began.AclashBcrashCcrushDcollision

All the flights ______ because of the snowstorm, we had to take the train instead.Awere canceledBhad been canceledChavin

______ native to North America, corn has now spread all over the world.AIn spite of BThat it isCIt wasDAlthough

Building roads by the British_______.Aput an end to a whole series of quarrels.Bprevented the Pathans from carrying on f

Which is the branch of linguistics which studies the characteristics of speech sounds and provides methods for their des

The function of the sentence “A nice day, isn’t it is”? . AinformativeBphaticCdirectiveDperformative

What rhetorical device is used in the sentence: The room sat silent.APunBSimileCMetonymyDTransferred epithet

The word “transistor” is formed by joining together the initial part of “transfer” and the final part of “resister”, and

Assessment is viewed as an integral part of the teaching-learning process. It involves collecting evidence of learning o

When a teacher intends to present or explain a new language point, which of the following group methods is mostly recomm