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【单选题】
于1879年在德国莱比锡大学建立世界上第一个专门的心理学实验室的科学心理学创始人是( )[2分]A.
笛卡儿
B.
斯
C.
D.
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举一反三
【单选题】Which of the following actions should be taken first to control an oil fire in a fuel oil tank?
A.
commence draining that tank as quickly as possible
B.
seal off all vents to that tank
C.
activate the CO2 system to that tank
D.
shut off the steam heating coils
【单选题】The fire of fuel oil is classified as a ____fire.
A.
class A
B.
class B
C.
class C
D.
class D
【单选题】Which of the actions listed should be taken FIRST to control an oil fire in a fuel oil tank?
A.
Commence draining that tank as quickly as possible
B.
Seal off all vents to that tank
C.
Activate the CO2 system to that tank
D.
Shut off the steam heating coils
【单选题】有以下四个结论： ①lg（lg10）=0； ②lg（lne）=0； ③若e=lnx，则x=e 2 ； ④ln（lg1）=0． 其中正确的是（ ）
A.
①②
B.
①②③
C.
①②④
D.
②③④
【单选题】The fire of fuel oil is termed _______fire.
A.
class“A”
B.
B class“ B ”
C.
class“C”
D.
class“D”
【单选题】有以下四个结论:1lg(lg10)=0;2ln(lne)=0;3若10=lgx,则x=10;4若e=lnx,则 ,其中正确的是
A.
①③
B.
②④
C.
①②
D.
③④
相关题目：
【单选题】The fire of fuel oil is termed _______fire.
A.
class“A”
B.
B class“ B ”
C.
class“C”
D.
class“D”
参考解析：
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