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【简答题】
简述五层体系结构的五个层次的功能。
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知识点：
皮皮学刷刷变学霸
举一反三
【简答题】She usually takes the bus to school. (改为同义句) She usually goes to school________ _________.
【单选题】What does the woman do first when she gets to school?
A.
She usually does nothing.
B.
She usually does her homework first.
C.
She usually cleans her desk first.
【简答题】Sandra usually gets up at six in the morning. She usually has breakfast at six thirty. She goes to school at around seven o’clock. School starts at seven thirty. Sandra learns many subjects at school:...
【单选题】She goes to church every Sunday. church she usually goes to has seating for over a thousand.
A.
/, The
B.
a, the
C.
/, a
D.
The, the
【简答题】She usually goes to school on foot.
【单选题】白化病的头发是白的,因为患者的基因坏了,所以从酪氨酸转变成黑色素的这个过程中的( )没有,即使吃何首乌还是不能让头发变黑。
A.
DNA
B.
RNA
C.
维生素
D.
酶
【多选题】控制人员是指根据演练情景，控制演练时间进度的人员。控制人员根据演练方案及演练计划的要求，引导参演人员按响应程序行动，并不断给出情况或消息，供参演的指挥人员进行判断、提出对策。其主要任务包括（ ）。
A.
确保规定的演练项目得到充分的演练，以利于评价工作的开展
B.
确保演练活动的任务量和挑战性
C.
确保演练的进度
D.
保障演练过程的安全
E.
参观参演人员的应急行动
【单选题】When she is put in a situation _______ she has to make a remark on others, she usually changes the topic.
A.
that
B.
when
C.
which
D.
where
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