患儿,男,1岁,平常体重10kg,1天来腹泻伴中度脱水,该患儿液体丢失约为()
A.300ml
B.400ml
C.750ml
D.1200ml
E.2000ml
参考答案:C
You can't imagine _____when they received these nice Christmas presents.
A.how they were excited
B.how excited they were
C.how excited were they
D.they were how excited
关于《几何原本》,下列说法错误的是()。
A、《几何原本》的写作地点在希腊
B、《几何原本》是关于数学和几何学的专著
C、《几何原本》共有13卷组成
D、《几何原本》大约成书于公元前三百年