【多选题】从各位专家对于教学设计的定义中可以看出,教学设计具有以下哪些特点?
【单选题】John ______stop his car in time, so he hit the girl.
【单选题】食品安全,食品质量,食品卫生三个概念的关系基本可以如何表述?
【单选题】John hadn’t been able to stop smoking suddenly;he had to control his smoking desire ________.
【单选题】—Is John coming by train? —He should, but he ______not. He likes driving his car.
【简答题】二轴晶光性符号的确定是根据:当( )正光性,当( )负光性; 具有两个光轴的晶体属于( )、( )、( )晶系; 在宝石的肉眼鉴定中,通常将宝石的透明度大致划分为:_____、_____、_____、_____、_____五个级别。 光泽越强的宝石色散越强; 色散强的宝石,其双折射率一定也高;
【单选题】Why did George stop his car?
A.
The traffic light was red.
B.
Something went wrong with his car.
C.
He wanted to speak to the boy and his girlfriend.
【单选题】朗读课文,说说下列句子朗读节奏划分不正确的一项是( )(3分)