A.aware B.aware of C.are aware of D.are aware
A.have offered for sale B.are quoted C.arrive at destination D.have been sold
A.quadrupled B.grow by three times E.got almost four times larger D.just gone up four times
A.covering B.covered C.paying D.paid
A. for B. on C. with D. about
Foreign Exchange Reserves(Foreign Currency Reserves)
数据加密标准
A.rising B.arising C.raising D.arousing
A. falls B. fall C. fell D. falling
A.upon B.out C.in D.from