【C9】A．descriptionB．explanationC．argumentationD．coverage

【C9】A．umberB．teamC．crowdD．staff

His trip through the world made an interesting ______.A．descriptionB．narrativeC．statementD

The word "duress" in Paragraph Two probably means______.A．pressureB．explanationC．persuasio

A．conceptB．explanationC．judgmentD．conclusion

番泻苷A中两个蒽酮母核的连接位置是（)A.C1—C1B.C2—C2C.C9—C9D.C10—C10E.C9—C10

A. suggestionB. explanationC. acceptanceD. discussion