【简答题】Fill in the blanks of the following letters with the words given below, and change the form when necessary. follow, arrive, pay, commodity, discount, ship, maintain, minimum, expand, acknowledge, plea...
【单选题】1844年下半年,马克思和恩格斯合作完成了他们的第一部合作著作是?
【单选题】肽链能被肽酶降解,至于哪一个肽键被断裂则决定于肽酶的类型。肽酶P能断裂带有侧链R4的氨基酸和相邻氨基酸的羧基基团之间的肽键。下列说法正确的是()
【简答题】Fill in the following blanks with appropriate prepositions or adverbs. We confirm receipt of your fax ____ the sale to you of 100 tons of groundnuts. We expect to put the deal _____. You will be advis...
【简答题】Translation. We were very pleased to receive your enquiry of 2 nd July and now confirm our fax offer of this morning, as follows:
【单选题】(P87)标志十年内战的局面结束,国内和平基本实现,成为时局转换的枢纽的是()
【判断题】马克思和恩格斯合著的第一本著作是《德意志意识形态》。