婴儿代乳食品中黄曲霉毒素B1允许量为（）
A.<5ppb
B.<5ppm
C.<1ppb
D.<2ppb
E.不得检出
参考答案：E
There is a common belief ________ the year 2011 will be an excellent year for China.[ ]
A. that
B. which
C. /
D. when
