学校从三、四年级中选出48人成立了腰鼓队,三、四年级参加人数的比是5:3,三年级

题型:填空题

问题:

学校从三、四年级中选出48人成立了腰鼓队,三、四年级参加人数的比是5:3,三年级参加腰鼓队______人.

考点:解比例,比例的应用题
题型:填空题

女,25岁,胃痛严重,食欲不振。胃镜检查发现胃部和十二指肠球部溃疡,怀疑为幽门螺杆菌感染引起的溃疡

要确诊病原菌,微生物检查所用标本应该是()

A.患者食入的食物

B.胃液

C.胃黏膜

D.肠液

E.粪便

题型:填空题

冰点为-0.52℃的一切水溶液与红细胞等张,它们相互之间亦均为等渗

A.以上两点都是正确的

B.以上两点都是错误的

C.第一点是正确的,第二点是错误的

D.第一点是错误的,第二点是正确的

E.溶液的渗透压与冰点之间没有相关性

题型:填空题

Soon after Dave left college, one of his uncles,  1            was rich and had no children of his own died and   2        (leave) Dave a lot of money, so he decided to set up his own real estate agency(地产公司).

He found a nice office, 3           (buy) some new furniture and moved in. He had only been there for a few hours when he heard someone coming  4      the door of his office.

“It’s my first customer!” he thought. He quickly picked up          5      telephone and pretended to be very busy  6       (answer)an important call from someone in New York    7        wanted to buy a big and expensive house in the country.

The man knocked at the door  8          this was going on, came in and waited    9           (polite) for the agent to finish his conversation. Then he said to him, “I’m from the telephone company, and I    10           (send) here to connect your telephone.”

题型:填空题

与瞳孔对光反应有关的脑神经有()

A.视神经和动眼神经

B.滑车神经和三叉神经

C.动眼神经和三叉神经

D.视神经和三叉神经

E.动眼神经和展神经

题型:填空题

钢丝绳绳芯要浸以防锈、防腐的()。

A.中性润滑油

B.钙、钠基润滑脂

C.齿轮油

D.机油

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