更多"[单选题]59. Some plants are so sensiti"的相关试题:
[单选题]221. Some plants are so sensitive _____ pollution that they can only survive in a perfectly clean environment.
A.from
B.against
C.to
D.with
[单选题]87. Humidity is so intense in some parts of the tropics that Europeans find they are unable to _____ it.
A.maintain
B.persist
C.endure
D.sustain
[单选题]3. It’s an _____ law of nature that plants and animals age and die.
A.irregular
B.intellectual
C.established
D.inevitable
[判断题]尾部受热面的低温腐蚀是由于SO2 氧化成SO3而SO3又与烟气中水蒸汽结合形成酸蒸汽。( )
A.正确
B.错误
[单选题]C（1/2H2SO4）=1mol/LH2SO4溶液，表示1L溶液里含H2SO4为（ ）g。
A.A、49.04
B.B、98.08
C.C、73.56
D.D、88.08
[判断题]尾部受热面的低温腐蚀是由于SO2氧化成SO3,而SO3又与烟气中蒸汽结合,形成酸蒸汽。( )
A.正确
B.错误
[判断题]在下列变化中SO2→S，SO2起还原剂的作用。
A.正确
B.错误
[单选题]在同温同压下,相同质量的SO2和SO3的体积之比是( )。
A.1:1
B.4:3
C.4:5
D.5:4
[单选题]
Some researchers feel that certain people have nervous systems particularly ________ to hot, dry winds. They are what we call weather-sensitive people.
A.
Subjective
B.
Liable
C.
Inferior
D.
Vulnerable
[单选题]工业上对反应 2SO2+O2 ≒2SO3+Q 使用催化剂的目的是( )。
A.扩大反应物的接触面
B.促使平衡向正反应方向移动
C.缩短达到平衡所需的时间
D. 增大产品的产量
[单选题]要同时除去SO2气体中的SO3(气)和水蒸气,应将气体通入( )。
A.NaOH溶液
B.饱和NaHSO3溶液
C.浓H2SO4
D.CaO粉末
[判断题]配制某种比例的H2SO4溶液时,先量取浓H2SO4,再加蒸馏水稀释。
A.正确
B.错误
[单选题] To ask the applicant some questions in relation ____ his educational backgrounD.
A. to
B. for
C. in
D. on
[单选题]Before the final examination, some students have shown _________ of tension. They even have trouble in sleeping.
A.anxiety
B.marks
C.signs
D.remarks
[判断题]Some aggregators allow you to book the ticket through their website for free.
A.正确
B.错误
