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氟离子选择电极法测试空气和废气中氟化物时，电池的电动势与溶液中的氟离子浓度呈线性关系。A.
正确
B.
错误
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【简答题】Fill in the blanks with the given words. Change the form where necessary. 1. The only to the village is by boat. ( accessible ) 2. Tom ’ s was to help young people in his local community. ( mission ) ...
【单选题】The report gives a____picture of the company’s future development.
A.
central
B.
clean
C.
clear
D.
comfortable
【多选题】Environmental ethics covers or is associated with:
A.
environmental management
B.
environmental science
C.
environmental engineering
D.
environmental impact mitigation
【多选题】对《蒹葭》赏析正确的是
A.
“伊人”可以理解为诗人所追求的人；诗人对意中人充满了爱悦之情，热烈地追求，然而可望不可即，始终求之不得，诗人心中充满了惆怅。
B.
“白露为霜”、“白露未晞”、“白露未已”以及“道阻且长”、“道阻且跻”、“道阻且右”等意思相同，这种重章叠句的表达方法加强了诗歌的感情色彩。
C.
第一章的韵脚是“苍”“霜”“方”“长”“央”，即第一句入韵，其余是偶句押韵，奇句不押韵。
D.
这首诗最有价值意义、最令人共鸣的东西，不是抒情主人公的追求和失落，而是他所创造的“在水一方”可望难即这一具有普遍意义的艺术意境。
【多选题】Environmental ethics covers or is associated with:
A.
environmental space
B.
environmental model
C.
environmental altitude
D.
environmental behavior
【多选题】Environmental ethics covers or is associated with:
A.
environmental degradation
B.
habitat fragmentation
C.
environmental conscience
D.
environmental cost
【多选题】Environmental ethics covers or is associated with:
A.
environmental assessment
B.
environmental audit
C.
environmental controversy
D.
environmental crisis
【多选题】Environmental ethics covers or is associated with:
A.
environmental damage
B.
environmental debate
C.
environmental disaster
D.
environmental economics
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