不属于椎-基底动脉系统TIA的临床表现有（）
A.短暂性全面性遗忘症
B.闪光暗点
C.交叉性瘫痪
D.复视
E.共济失调
参考答案：B
______ you eat the correct foods ______ be able to keep fit and stay healthy. [ ]
A. Only if; will you
B. Only if; you will
C. Unless; will you
D. Unless; you will
wk--10电铲稀油润滑工作原理
