根据我国合同法的规定，在( )情况下，承揽人可以解除合同。A．定作人提供的材料不合

进出口信贷的利率一般______相同条件资金贷放的市场利率。( )

A．高于

B．等于

C．低于

D．以上都不正确

A：莨菪碱、B：山茛菪碱、C：东茛菪碱的碱性顺序为（）

A.A>B>C

B.A>C>B

C.B>A>C

D.C>B>A

E.B>C>A

承包经营耕地的单位或者个人连续( )年弃耕抛荒的，原发包单位应当终止承包合同，收回发包的耕地。

A．1

B．2

C．3

D．4

13 ._______, he is famous for writing blogs.

A． As he is a teacher

B． A teacher as he is

C． A teacher although he is

D． teacher as he is

The problem is so difficult that ______ students can work it out. [ ]

A. a few

B. a little

C. few

D. little