One theory is that too much vitamin E______bleeding risk, which would______the risk of a type of Stroke, while another theory suggests that at high doses vitamin E stops working like an antioxidant, removing harmful molecules in the body, and instead becomes a pro-oxidant, actually promoting the production of harmful molecules,
A. decreases, decrease
B. increases, increase
C. decreases, increase
D. increases, decrease
查看答案
Browse one of the websites that hosts them, like You Tube or Google Vides.and you'll see drunken karaoke, babies being born, plane crashes, freakish sports accidents and far, far stranger things.
A. elegant
B. fraternal
C. frantic
D. bizarre
Petrazzini's main concern is not so much cultural homogenization associated with the spread of the Internet, but an exacerbation of the gap between young and old and between spread of the Internet
A. uniformity
B. discrepancy
C. convention
D. distinction.
For us it is a big and dark secret;to______it would be to jeopardize our future, confessed
A. divulge
B. recall
C. retain
D. duplicate
In a competitive and fast-paced modern society, busy business executives are so______their
A. engrossed in
B. exempt from
C. skeptical of
D. extraneous to