【单选题】()就是指次数分布的非对称程度,以偏态系数来表示。
【多选题】以下可以用来进行微生物接种的器具有( )。
【单选题】"-".join("python") 的结果是
【单选题】Newly-found fossilized tracks in Alaska proved that dinosaurs' migration between Asia and North America took place ______.
A.
much earlier than experts previously thought
B.
much later than experts previously thought
C.
after Asia became an independent continent
D.
sometime around 25 million years ago
【简答题】Python语句’’.join(list(’helloworld!’))执行的结果是()。
【单选题】The muscles of a fossilized animal can sometimes be reconstructed because
A.
they were preserved with the present relatives of the animal.
B.
they were lodged inside the animal’s skull.
C.
they were hardened parts of the animal’s body.
D.
they were attached to the animal’s skeleton.
【单选题】货品从进入分拣系统直至传送到指定的分配位置为止,都是依照指令靠自动装置来完成分拣作业的一种分拣方式是
【简答题】写出语句的运行结果: li = ["apple", "peach", "banana", "pear"] (1)','.join(li) (2) '.'.join(li)