仅凭债券发行者的信用而发行,既没有抵押品作担保,也没有担保人的债券,也称无抵押担保债券,该债券属于( )。
A.信用债券 B.抵押债券 C.质押债券 D.担保债券
参考答案:A
Almost all English prepositions ______ look like verbs.
A.when they turn into Chinese
B.when turning into Chinese
C.when they turned into Chinese
D.when turned into Chinese
被广泛采用的氧煤枪的内管走()。
A.氧气
B.煤粉
C.空气
D.氧煤混合物