According to Frank，why do kids get violent?

A．It requires a trip to Mexico. B．He doesn't have relevant resource material. C．It's too broad a topic to write about. D．He's not interested in that part of the world.

A.To make the backpackmore comfortable for the wearer. B.To put the backpack on the market. C.To test the advantage of the backpack. D.To promote the backpack in anewspaper or on television.

A．Because it enriches and restructures our knowledge in its own way. B．Because it puts together the particular stories we need. C．Because it tells single-handedly how we should perform. D．Because it helps to make the map for our travel in particular places.

A．He is an architect B．He is an engineer C．He is a teacher

A．They could easily build the log houses themselves, B．They could construct the houses from kits. C．They liked the cozy atmosphere of the log interior. D．They wanted homes that could be transported.

A．Because they want to be more like man. B．Partly because they want to imitate women they admire. C．Mainly because they try to create a masculine D．Because they think it's cool.

A．To offer a compliment B．To offer to help other students C．To introduce herself D．To suggest ways of making the class more personal 此题为多项选择题。

A．For education. B．For adventure. C．To enjoy themselves. D．To look for a different lifestyle.

A．Because the examination system is not fine. B．Because it is too examination-oriented. C．Because the examination system is not scientific. D．Because the examination system is out of date.

A．Boats used on rivers were extremely crowded. B．The current was too swift for boats to cross easily. C．Bridges were too weak to carry the weight of a stagecoach. D．Ferry service was infrequent.

A.Because it would be easier to put them together and carry them around. B.Because it would be lighter for people to carry them from place to place. C.Because people wanted to make it look nicer. D.Because people wanted to save the expensive metal they were made from.

A．It's hard to keep classrooms balanced while fulfilling parents' wishes. B．They don't want to be surpassed by a specific teacher in terms of popularity. C．A specific teacher's popularity is not relevant to his/her real ability of teaching. D．A specific teacher only suits perfectly one particular child's educational needs.

A．They appear to demonstrate parasitic behavior. B．Their behavior. can be both harmless and helpful. C．They derive various benefits from their hosts. D．Researchers have inadequate observational equipment.

A．She is interested in designing computer games. B．She"s taught herself a lot of programming. C．She"d like to produce educational software. D．She benefits less from a foundation level course. 此题为多项选择题。

A．It is rarely quiet． B．It is not conveniently locateD C．All of the residents are required to participate in house activities． D．All of the residents must be enrooled in a music class．