晕厥连续出现几次后永远不宜献血()
A.2次
B.3次
C.4次
D.5次
参考答案:B
The lawyer rarely wears anything other than jeans and a T-shirt ______ the season.
A.whatever
B.wherever
C.whenever
D.however
()不属于果菜类的山野菜。
A、皎豆
B、酸浆
C、薏苡
D、北五味子