黄曲霉毒素的毒性属（）
A.低毒
B.中毒
C.条件有毒
D.剧毒
E.基本无毒
参考答案：D
不自主运动包括（）
A.舞蹈样动作
B.震颤
C.手足徐动
D.摸空症
E.病理反射阳性
One day Chuck is on a flight ______ the Pacific Ocean suddenly ______ his plane crashed.
A. through while B. through whenC. across when D. across while
