Which type blood is universal donor?
A. type A
B. type B
C. type O
D. type AB
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Because of the strong sun Mrs. William new blue dining-room curtains faded to gray within
A. window coverings
B. cushions
C. curves
D. screens
History books are filled with wealthy people who were practically destitute compared to me, I have tripe-tracked storm window; Croesus did not. Entire nations trembled before Alexander the Great, but he couldn't buy cat food in bulk. Czar Nicholas Ⅱ lacked a compound-miter saw.
Given how much better off I am than so many famous dead people, you'd think I'd be content. The trouble is that, like most people, I compare my prosperity with that of living persons: neighbors, high-school classmates, TV personalities. The covetousness I feel toward my friend Howard's kitchen is not mitigated by the fact that no French monarch ever had a refrigerator with glass doors.
There is really no rising or falling standard of living. Over the centuries people simply find different stuff to feel grumpy about. You'd think that merely not having bubonic plague(腺鼠疫) would put us in a good mood. But no, we want a hot tub too.
Of course, one way to achieve happiness would be to realize that even by contemporary standards the things I own are pretty nice. My house is smaller than the houses of many investment bankers', but even so it has a lot more rooms than my wife's and I can keep clean. Besides, to people looking back at our era from a century or two in the future, those bankers' fancy counter tops and my own worn Formica(福米加塑料桌面)will seem equally shabby. I can't keep up with my neighbor right now. but just wait.
Which of the following was possessed by the King William Ⅰ?
A. Flush toilet
B. Ruthless army
C. Paper towels
D. Riding lawn mower
Why does the repair process of the DNA may finally fail?
A. Because short-wave radiant energy breaks the strands of the DNA.
Because the DNA may produce a colony of cancer cells.
C. Because enzymes work to rearrange the DNA into a new order.
D. Because the patient is exposed to UV form. time to time.
The researchers concluded that fish-oil capsules had little effect on coronary disease.
A. Right
B. Wrong
C. Not mentioned