At first, the speaker was referring to the problem of pollution in the country, but halfway in her speech, she suddenly _________ to another subject.

A．) committed B) switched

C．) favoured D) transmitted

 

 

[单选题]B．y referring to the limbic system, the author intends to show ________.[A] its function in our dreams[B] the mechanism of REM sleep[C] the relation of dreams to emotions[D] its difference from the prefrontal cortex

[单选题]To be a successful speaker, it is essential for you to know why you are spe

[单选题]To be a successful speaker, it is essential for you to know why you are spe

[单选题]To be a successful speaker, it is essential for you to know why you are spe

[单选题]To be a successful speaker, it is essential for you to know why you are spe

[单选题]To be a successful speaker, it is essential for you to know why you are spe

[单选题]To be a successful speaker, it is essential for you to know why you are spe

[单选题]To be a successful speaker, it is essential for you to know why you are spe

[单选题]To be a successful speaker, it is essential for you to know why you are spe

[单选题]To be a successful speaker, it is essential for you to know why you are spe