Janet used to take part in labor in that village, ()?
A.used she
B.did she
C.didn’t she
D.should she
A.used she
B.did she
C.didn’t she
D.should she
第1题
A.used to take
B.is used to take
C.used to taking
第2题
The expression "to take the rap" ______.
A.refers to something wrong or illegal
B.was used several hundred years ago
C.is similar to "to receive a bum rap"
D.indicates due responsibility
第3题
It ______ 12 rabbits to test a sample of vaccine, now it takes only 6.
A.used to taking
B.used to take
C.is used to take
D.was used to taking
第4题
A.did he
B.was he
C.usedn't he
D.wasn't he
第5题
In the second paragraph "a 2009 study…"is used by the critics to______.
A.To indicate the author is against the policy.
B.To emphasize there is no need to ban the students with bad grades to take part in extracurricular activities.
C.To suggest girls can benefit from extracurricular activities.
D.To prove grades have nothing to do with extracurricular activities.
第6题
The arguments for computer program used in education were that______.
A.computers like toys would attract much attention of school children
B.there are lots of buttons you can press for doing anything at your will
C.computer program would take the place of teachers, turning a school into a computer world
D.computers could give teachers the opportunity to spare time to deal with students respectively
第7题
Handouts are important because_____.
A.they have your contact information written on them
B.they contain the key takeaways of your presentation
C.they provide pictures for the audience to look at
D.they can be used for audience to take notes
第8题
B、… I heard the soft-voiced Mrs. Flowers and the textured voice of my grandmother merging and melting.
C、The sweet scent of vanilla had met us as she opened the door.
D、I wanted to gobble up the room entire and take it to Bailey, who would help me analyze and enjoy it.
第9题
In Paragraph 1, the author implies that______.
A.people usually think language is only used to communicate ideas
B.the exchange about health or the weather is a universal topic
C.people will always say something when facing embarrassment
D.the example of Mrs. P and Mrs. Q is common in all cultures
第10题
Why is lead poisoning a new problem for condors?
A.Hunters shoot condors.
B.Puppet rearing practices have caused it.
C.Hunter's bullets contain lead which poisons the meat condors eat.
D.They never used to like lead.
第11题
Evaporation rates of hydrocarbon liquid from horizontal surfaces are approximately given by
Where p is vapor pressure of the liquid and P is the atmospheric pressure. We have spilled a layer of lubricating oil on a metal drip pan in our garage. It forms a layer 1 mm thick. Its density is 1g/cm3and its molecular weight is 400 g/mol. Its vapor pressure is approximately 10-7torr at 20℃. Estimate how long it will take all of this motor oil to evaporate at 20℃.