FOCKE350小盒包装机内框纸装置有()个内框纸卷筒架,它们交替的提供内框纸。
A.四
B.三
C.两
D.一
参考答案:C
How much are the shoes? [ ]
A. It is thirty yuan.
B. They are nice.
C. They are thirty yuan.
保证的方式有()。
A.连带保证
B.共有责任
C.一般保证
D.特别保证