下图中甲表示缩手反射示意图，乙是甲图中某一结构的亚显微结构模式图。请据图回答：在甲图

为成人进行胸外心脏按压时，应使胸骨下陷（）

A.1～2cm

B.2～3cm

C.3～4cm

D.4～5cm

E.大于6cm

项目建设的必要性评估不包括( )。

A．项目产品的市场情况

B．项目所属行业当前整体状况

C．项目的盈利能力与清偿能力

D．项目产品竞争力分析

差异无统计学意义，则下列结论哪一个是错误的（）

A.应接受无效假设，而拒绝备择假设

B.无效假设被接受的可能性等于或不到5％

C.比较的两个事实确实来自同一总体

D.事实上无差异

E.观察数目不够多

The other day my brother Tom was beginning his 56.______
motorbike then our neighbor, Mary came out and asked 57.______
him if he was going near the station. So he offered her a lift.
She got at the back of the motorbike and 58.______
they drove away. Just before they reached to the station 59.______
a policeman waved to them to stop. "Excuse me, sir," he said,
"You are not sitting on that motorbike properly. "
"What’s matter with the way I’m sitting" my brother 60.______
asked in surprise. "Not you sir. It’s a young lady," said 61.______
the policeman, "In this country side-saddle(偏座) is not62.______
permitted when one ride a motorbike．”Mary made an excuse 63．______
that she was from Italy，where it isn’t．considering to 64．______
break the law when people take the side-saddle．
The policeman shook head and drove away． 65.______