国际生产折衷理论认为企业要从事对外直接投资必须同时具备下列优势，除了（） A.所有权

女性，32岁。因不明原因发热两周来院门诊，体检：心脏有杂音。拟诊感染性心内膜炎

为明确诊断抽血培养的最佳时间是（）

A.先用抗生素3天，体温不退时抽取

B.停用原用的抗生素两天后，抽取3～5次血培养

C.在抗生素应用前，在24小时内，于畏寒发热时抽3次血培养

D.原用抗生素可继续用，抽取3次血培养

E.停用抗生素1～2周后抽取血培养3～5次

下列词语使用不得当的一项是[ ]

A．翘首西望，海面托着的就是披着银发的苍山。苍山如屏，洱海如镜，真是巧夺天工。

B．虽然没有名角亲自传授指点，但他长年在戏园子里做事，耳濡目染，各种戏路子都熟悉了。

C．每当夜幕降临，饭店里灯红酒绿，热闹非常。

D．高县长说：“全县就你一个人当上了全国劳模，无论怎样说也是凤毛麟角了。”

A little boy invited his mother to attend his school’s first teacher-parent meeting. To the little boy’s (1) , she said she would go. This (2) be the first time that his classmates and teacher (3) his mother and he felt (4) of her appearance. Although she was a beautiful woman, there was a severe sear (疤痕) that (5) nearly the entire right side of her face. The boy never wanted to (6) why or how she got the sear.At the meeting, the people were (7) by the kindness and natural beauty of his mother (8) the sear, but the little boy was still embarrassed (尴尬) and (9) himself from everyone. He did, however, get within (10) of a conversation between his mother and his teacher.The teacher asked (11) ," How did you get the scar on your face"The mother replied, " (12) my son was a baby, he was in a room that caught fire. Everyone was (13) afraid to go in because the fire was (14) , so I went in. As I was running toward his bed, I saw a long piece of wood coming down and I placed myself over him trying to protect him. I was knocked (15) but fortunately, a fireman came in and saved both of us. " She (16) the burned side of her face. "This scar will be (17) , but to this day, I have never (18) what I did. "At this moment, the little boy came out running toward his mother with tears in his eyes. He held her in his arms and felt a great (19) of the sacrifice (牺牲) that his mother had made for him. He held her hand (20) for the rest of the day.

第（15）空应选择（）

A．helpless      

B．hopeless    

C．senseless    

D．useless

接种乙脑疫苗的免疫保护率是（）

A.20%

B.30%

C.40%

D.50%

E.60%以上

4，5，12，67，628，（）

A．3128

B．1028

C．4125

D．7779