听力原文:M: Why did Jack suddenly decide to quit his job?
W: He said he wouldn't break his back working for such low pay.
M: I see.
Why did Jack change his job?
(18)
A.Because he hurt himself dining his work.
B.Because he was not satisfied with his pay.
C.Because he wanted to work harder.
D.Because he found the job too hard.
第1题
碘的主要食物来源()
A.乳、蔬菜等
B.肝、蛋黄、血、红枣、瘦肉、桃、杏、黑李等
C.海藻类
D.各种食物
第2题
是钙的主要来源
A.海藻类
B.肝、蛋黄、血、红枣、瘦肉、桃、杏、黑李等
C.乳、蔬菜
D.奶、蛋类
第4题
是铁的主要来源
A.海藻类
B.乳、蔬菜
C.肝、蛋黄、血、红枣、瘦肉、桃、杏、黑李等
D.粗粮
第5题
()是铁的主要来源。
A.海藻类
B.乳、蔬菜类
C.肝、蛋黄、血、红枣、瘦肉、桃、杏、黑李等
D.粗粮类
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