著作权的许可使用和转让的区别。

According to Dr. Sheets, the main danger of an error in hurricane prediction is that

A．seeding will prove to be a waste of time and money.

B．people won't pay attention to predictions in the future.

C．money spent on preparation will be wasted.

D．a hurricane may hit an economic center like New York.

According to the writer, the Government' s policy on physical education______.

A．should not promote team games at all

B．upholds the principles of the Olympic Games

C．is active in producing successful Marathon participant

D．encourage those qualities pursued by Marathon participants

1. Provide the leisure activities in English according to the description with the help of the initial letter. 1) S_____ can be a means of transport, a recreational activity or a competitive winter sport in which the participant uses skis to glide on snow.

oth polymer sheets, which are produced by _________.

现场观察(participant observation)

According to the writer, the Government' s policy on physical education______.

A．should not promote team games at all

B．upholds the principles of the Olympic Games

C．is active in producing successful Marathon participant

D．encourage those qualities pursued by Marathon participants

A．Cascading Style Sheets

B．Creative Style Sheets

C．Computer Style Sheets

D．Colorful Style Sheets

_____ were ironed by my mother yesterday.

A. The all sheets

B. All of sheets

C. All the sheets

D. Sheets of all

_.

A．seeding will prove to be a waste of time and money

B．people won't pay attention to predictions in the future

C．money spent on preparation will be wasted

D．a hurricane may hit an economic center like New York

According to this passage, when cherries leave the picking machines, they______.

A．are on the belts, fresh and pretty

B．are soaked in a large container of water

C．are in heavy sheets, unwashed and dirty

D．have been put into plastic boxes, fresh and clean