【单选题】The SCN
A.
is regulated by the hypothalamus.
B.
is affected by fading light.
C.
is located in the brain.
D.
tells the body it is time for sleep.
【单选题】Where is the post office?
B.
On the left-hand side of the light.
C.
On the opposite side of the cinema.
【单选题】如果一种商品的( ) ,我们就说这种商品的需求缺乏价格弹性 。
【多选题】今年是新中国成立70周年和中法建交55周年,习主席在这样一个特殊年份访问法国,具有特殊意义,国际社会也特别关注。而在里著名的地点,由于一件历史事件引发了中国五四爱国运动的爆发。在这里地点指?事件指?()
【单选题】依据上海警察局档案,1919年5月,上海许多学生家长都收到同样一份由上海华童公学校长发出的通知(见下框)。引发这种现象的原因可能是爆发了()
【单选题】What is the news item mainly about?
A.
The work of the two Nobel laureates sheds light on the tiny building blocks of life-cells.
B.
The work of the three Nobel laureates sheds light on the huge building blocks of life-cells.
C.
The work of the three Nobel laureates sheds light on the tiny building blocks of life-cells.
D.
The work of the three doctors sheds light on the tiny building blocks of life-cells.
【单选题】如果( ) ,我们就说一种商品的需求缺乏价格弹性。