The survey among 25-65 year olds focused on________.

In one year rats eat 40 to 50 times __________ weight.

In this country,____ well cared and the young are well educated. A: the old is B: olds are C: old is D: the old are

Can you imagine<br/>what life will be like in ___ time? A: 50 years’ B: 50 year’s C: 50-years’ D: 50-years

下列选项中属于顺序控制指令的是： A: LSCR B: SCRT C: SCRE D: OLDS

The number of students participating in online courses varies 　. A: year to year B: year and year C: year by year D: year on year

This year is the year of Gengzi, and next year is the year of ___________.

(By) 1899 Ransom olds had (establish) in Detroit, Michigan, the (first) factory in the United States for (the)manufacture of automobiles.（） A: By B: establish C: first D: the

At the beginning of the year there was $50 in the cash till and receivables were $2,000. Total sales revenue in the year was $230,000. Receivables at the end of the year were $3,000. Cheques banked from credit sales were $160,000 and cash sales of $50,000 have been banked. There is $100 in the cash till at the year end, but the accountant has discovered that some cash has been stolen.How much cash was stolen during the year? A: $18,950 B: $19,000 C: $19,950 D: $20,950

判定year是否为闰年的表达式是 A: year % 400 == 0 or year % 4 == 0 and year % 100 <> 0 B: year % 400 == 0 or year % 4 == 0 , year % 100 != 0 C: year % 400 == 0 or year % 4 == 0 and year % 100 != 0 D: year % 400 == 0 or year % 4 == 0 , year % 100 <> 0