【单选题】A move is ____ in Congress to oppose U.S. help.
【判断题】落地缓冲时,股四头肌在膝关节处做向心工作。
【简答题】信息率失真理论是量化、数模转换、频带压缩和()的理论基础。
【单选题】听力原文: President Bush has asked Congress to ratify an agreement to normalize U.S. trade with Vietnam. The president sent the agreement negotiated in the last year of the Clinton administration to Congr...
A.
The U.S. Congress has ratified the agreement to normalize U.S. trade with Vietnam.
B.
The agreement was negotiated in the last year.
C.
President Bush wanted to normalize overall ties between U.S. and Vietnam.
D.
The agreement has strong support among Vietnam War veterans.
【单选题】题: 由蜗杆副所组成的传动装置,蜗杆与蜗轮的轴线在空间互相垂直交错()用以传递运动和动力。
【单选题】The U.S. Congress is the ____ of the British Parliament.
【单选题】听力原文: The U.S. Botanic Garden is America's plant museum. (26) Congress established the Botanic Garden as a center for the science of growing things. But the Garden is also a center of beauty. (28) The...
A.
For scientific research on the growing things.
B.
For make a center of beauty.
C.
For attracting more children to visit.
D.
For improving the environmental conditions.