【单选题】用原子吸收光度法测定铷时,加入 1 %的钠盐溶液,其作用是 ( )
【简答题】?用原子吸收光度法测定铷时,加入1%的钠盐溶液,其作用是A. 释放剂 B. 减小背景 C. 消电离剂 D. 提高火焰温度
【单选题】The law of supply and demand will eventually take care of a shortage or __________ of dentists.
【单选题】The law of supply and demand will eventually take care of a shortage or ______ of dentists.
【简答题】Until the middle of 19th century, all inventions by women ______under the law.
【单选题】By comparing the law school with the poolside and the mall, the author means to tell us that______.
A.
life in the law school is very boring
B.
the law school calls for comforts
C.
the poolside and the mall are not as respectful as the law school
D.
the poolside and the mall are better than the law school
【单选题】take the law into their own hands.
A.
to solve the problem by themselves
B.
to break or violate the law
C.
to explain the clauses in the law
D.
to understand the law as they
【单选题】The 18th century thinkers came to take __________ as the measure of all existences whether viewed in the natural law or in man.