化学镀镍所得的镍镀层是镍磷合金。
参考答案:错
— How do you ________ your long absence from classes without asking for leave?
— I have nothing to say.[ ]
A. account for
B. make for
C. care for
D. pay for
阅读以下信用证,做选择填空。
1.信用证内容:
2.根据信用证内容选择正确答案,并将答案填入括号内:
该信用证项下的转运栏填的是()。
A.ANY
B.ALLOWED
C.NOT ALLOWED