单侧上肢血压降低、脉搏减弱,提示狭窄的动脉是().
A.同侧颈动脉
B.同侧锁骨下动脉
C.同侧颅外椎动脉
D.同侧颅外动脉
E.同侧锁骨上动脉
参考答案:B
The two girls are twins. ________ names are Lucy and Lily.[ ]
A. They
B. They're
C. Their
D. Theirs
Could you ___ this 10-dollar bill so I can make a phone call?
A.divide
B.tear
C.break
D.cut