搅拌机每次加入的混合料，不得超过搅拌机规定值的（ ）。
A．5％
B．10％
C．15％
D．20％
参考答案：B
下列各项中与霍奇金病预后有关的是（）
A.组织类型
B.临床分期
C.有无全身症状
D.年龄和性别
E.以上都是
—On 2014,April 16th,a South Korea ship carrying more than 450 passengers sank into the sea. Most of the pasaagers were students and lost their lives.
—______ sad news.
A．What a
B．How a
C．What
D．How
