A: Telephone
B: ldentification
C: Interactive television
D: Golden tax
举一反三
- Debit cards preceded credit cards.
- Let’s play cards _________watching television
- Passengers can pay the goods by cash, credit cards and debit cards.
- Today is Teachers’ Day. Let’s ___________ for our teachers. A: make cards B: makes cards C: making cards D: made cards
- A first-grade teacher use ten flash cards, numbered 1 through 10, to teach her students to order numbers correctly. She has students choose four flash cards randomly, then arrange the cards in ascending order. One day, she removes the cards numbered "2" and "4" from the deck of flash cards. On that day, how many different correct arrangements of four randomly selected cards are possible A: 70 B: 210 C: 336 D: 840 E: (E) 1,680
内容
- 0
____________. Put your cards on the table. A: Don't hide your cards. B: Show me your cards. C: Don't play games with me. D: Don't waste the time
- 1
On what days do British people like to write cards?
- 2
There are between 100 and 110 cards in a collection of cards. If they are counted out 3 at a tie, there are 2 left over, but if they are counted out 4 at a time, there is 1 left over. How many cards are in the collection ？（） A: 101 B: 103 C: 106 D: 107 E: 109
- 3
For baseball card collectors, Babe Ruth baseball cards from 1927 are definitely A: perfectly inelastic in demand. B: perfectly inelastic in supply. C: complements for Bobby Bonds cards. D: substitutes for Bobby Bonds cards.
- 4
"______" Method has two drawbacks: No1, your audience will notice that you are flipping the cards. No2, the order of those cards is rather critical.