表格中的数据是小刘在室外测得的一日内气温值,则该地当日的日均温为( )
时刻
2时
8时
14时
20时
气温(℃)
4
7
17
12
A:7℃
B:17℃
C:10℃
D:4℃
如图,矩形ABCD的对角线AC与数轴重合(点C在正半轴上),AB=5,BC=12,点A表示的数是﹣1,则对角线AC、BD的交点表示的数是( )
读我国山脉分布图,完成下列要求。
美国内战期间颁布的历史文献是( )①《独立宣言》②《人权宣言》③《宅地法》④《解放黑人奴隶宣言》
Situations
Differences
Britons (英国人)
Americans
When being knocked into
They will say “sorry” before the other does.
They will ____ the person and expect him to say “sorry”.
When going out for dinner
They will ____ when going out for dinner.
They may wear a normal shirt to go to a good____.
When taking a taxi
They will give an address to the taxi driver and then ____.
They will ____ the taxi driver all the time.
水和无机盐在生物代谢中起非常重要的作用,下列关于水和无机盐的叙述错误的是( )