多项选择题构成教育活动最基本的因素有( )。
单项选择题Food products containing chocolate are subject to a () of up to 35 percent when imported to Japan.
A. test B. tariff C. souvenir D. shipment
单项选择题For a limited time only, this exquisite collector's item will be offered at forty percent off of the original ().
A. price B. piece C. challenge D. certificate
单项选择题All international orders are () via Global Express Mail within five to ten business days.
A. spent B. enrolled C. collected D. delivered
单项选择题Despite the delayed release of their digital video recorders, Vibrant Electronics' share () to grow.
A. continue B. continues C. continuing D. to continue
单项选择题More and more people have lost their jobs and become ().
A. rich B. strong C. fragile D. lazy
单项选择题() do you have PE lessons —Three times a week.
A. How long B. How soon C. How many D. How often
单项选择题The Hinman University Math Team()in the 27th annual International Collegiate Math Olympics.
A. participate B. participant C. participated D. participative
单项选择题—Would you like tea or coffee —() is OK. I really don't mind.
A. None B. Either C. Neither D. Both
单项选择题Mr. Green has little time today, ().
A. have he B. hasn't he C. does he D. doesn't he