【单选题】When the hotel reservation, you need to make clear ______ first.
B.
if breakfast is included
D.
how many nights you would like to stay
【判断题】When writing, you should focus on the topic clear.( )
【判断题】In a firm offer, clear, complete and final trade terms are not necessary.
【简答题】某化合物 A ,分子式为 C 6 H 10 , A 能使 Br 2 -CCl 4 溶液褪色,但不能使 KMnO 4 -H 2 O 溶液褪色。 A 的一卤代烷只有两种,一种有光学活性,另一种无光学活性 。 在常温常压下催化加氢 2mol 得三种异构体,试推测 A 的结构式。
【多选题】根据股东权利、义务的不同可以将股票分为普通股和优先股。下列关于优先股的表述,正确的有( )。
C.
公司已发行的优先股不得超过公司普通股股份总数的30%
D.
优先股股东的主要权利是优先分配利润和剩余财产
【单选题】The fundamental purpose of countries’trade rules as clear and public as possible is ___________.
A.
improving predictability and stability.
C.
letting more people know the rules of trade.
D.
discouraging transparency.