[A] buy [C] race[B] sell [D] see
A. buy
B. sell
C. race
D. see
查看答案
下列标识符定义正确的是( )。
A. 3DATA
B. DATA__3
C. DATA3
DATA. 3
[A] famous [C] quick[B] superior [D] inferior
A. famous
B. superior
C. quick
D. inferior
Why did the U.S. Navy set up underwater microphones around the world in the 1960s
A. To listen for changes in ocean structure.
B. To listen for changes of ocean currents or volcanic activity.
C. To make sure whether there was a giant squid deep in the ocean.
D. To follow the track of the Soviet warships under water.
[A] clearly [C] obviously[B] proportionally [D] suddenly
A. clearly
B. proportionally
C. obviously
D. suddenly
微信支付 
支付宝支付