皮皮学，免费搜题
登录
搜题
【单选题】
分光光度法中,选用 λ max 进行测定的原因是( )。A.
与被测溶液的 pH 有关
B.
可随意选用参比溶液
C.
浓度的微小变化能引起吸光度的较大变化，提高了测定的灵敏度
D.
仪器读数的微小变化不会引起吸光度的较大变化，提高了测定的精密度
拍照语音搜题，微信中搜索"皮皮学"使用
参考答案：
参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【简答题】final, finally, finalize的区别。
【简答题】Amy Lee, a fixed income yst gathers the following table with the yields and corresponding prices for a hypothetical 10-year option-free bond which initially yields 8%: Using a 10 basis point rate ...
【单选题】When you begin to see death as an invisible, but friendly, companion on your life' s journey you ______.
A.
will be frightened
B.
cannot but wait till tomorrow to do what you mean to do
C.
are able to pass through your life as usual
D.
can learn to become more fully human
【单选题】我国某进出口公司从香港购进一批 SONY 牌电视机,该电视机为日本品牌,其中显像管由韩国生产,集成电路板 由新加坡生产,其他零件均由马来西亚生产,最后由韩国组装成整机。该公司向海关申报进口该电视机时,原产地应填报为( )
A.
日本
B.
韩国
C.
新加坡
D.
马来西亚
【多选题】Motivationis an invisible inner state that energizes human goal-directed behavior, which determines:
A.
what goal to reach
B.
how hard the individual will work
C.
how long the individual maintais his/her effort
D.
how successful an individual is
【单选题】Traversing a binary tree in preorder is equivalent to(68).
A.
Traversing the forest corresponding to the binary tree in root-first order
B.
Traversing the forest corresponding to the binary tree in root-last order
C.
Traversing the forest corresponding to the binary tree in breadth-first order
D.
None of the above
【单选题】Sometimes parents’ control of young kids will be thought to be such an invisible rope, with which to tie them tightly, that they _____ tried to cut it.
A.
thoroughly
B.
visually
C.
desperately
D.
appropriately
【判断题】The relationship consists of a general pattern of human interference and its corresponding environmental modification.()
A.
正确
B.
错误
【单选题】我国某进出口公司从香港购进一批SONY牌电视机,该电视机为日本品牌,其中显像管为韩国生产,集成电路板由新加坡生产,其他零件均为马来西亚生产,最后由韩国组装成整机。该公司向海关申报进口该批电视机时,原产国应填报为:( )
A.
韩国
B.
日本
C.
马来西亚
D.
新加坡
相关题目：