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.AimmigrateBmigrat
Some tribes _______ with their cattle in search of fresh grass.AimmigrateBmigrateCemigrateDtransfer
They heard the_______ of swords and realized that the fighting began.AclashBcras
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 instea
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
______ 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.B
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 s
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”? . AinformativeBphaticCdi
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.APunBSimileC
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 “transfe
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
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
When a teacher intends to present or explain a new language point, which of the following group methods is mostly recomm
What role does the teacher play in the deductive presentation of grammar?AInstru
What role does the teacher play in the deductive presentation of grammar?AInstructor.BPrompter.CParticipant.DNegotiator.
材料全屏下面是某英语教师在阅读课中导入部分与学生的互动。请回答以下问题教学片段:T: Do you like football?S1: Yes.T: Which
材料全屏下面是某英语教师在阅读课中导入部分与学生的互动。请回答以下问题教学片段:T: Do you like football?S1: Yes.T: Which football teams do you like best?S1: Now
从提问的形式来看，英语课堂提问的类型有哪些？
从提问的形式来看，英语课堂提问的类型有哪些？
What instruction does the teacher give in class? Choose from the options what th
What instruction does the teacher give in class? Choose from the options what the teacher wants to do. Quiet now, please
When we talk about the element of the teaching aims “ABCD”, what does the “C” re
When we talk about the element of the teaching aims “ABCD”, what does the “C” refer to?AcontentBcapacityCconditionDcompe
______ aims to help students to pay attention to teaching contents efficiently a
______ aims to help students to pay attention to teaching contents efficiently at the beginning of the class.ALead-inBPr
材料全屏以下是一位老师在进行词汇教学时的情景：Step1复习(revision)互致问候后，教师将装有彩色小图片的信封分发给各小组。T：Open the env
材料全屏以下是一位老师在进行词汇教学时的情景：Step1复习(revision)互致问候后，教师将装有彩色小图片的信封分发给各小组。T：Open the envelopes, please．You have something nice i
简要分析精读课和泛读课的主要区别？
简要分析精读课和泛读课的主要区别？
