《欢乐颂》是（）国作曲家（）的作品。

男，33岁，发热伴浅表淋巴结肿大半月，头昏、乏力伴牙龈出血3天，查体：皮肤散在出血点和瘀斑，胸骨压痛明显。化验检查WBC14.8×10⁹/L，Hb80g/L，PLT25×10⁹／L，临床拟诊为急性白血病。

对确诊最有价值的首选检查是（）

A.外周血白细胞分类

B.淋巴结活检

C.骨髓细胞学检查

D.细胞化学染色

E.免疫表性检查

患儿男，5岁，因“发热、咳嗽2周”来诊。体温38～39℃，咳嗽、咳黄痰，痰中带血丝，予头孢他定治疗，未见明显好转。既往分别于3岁和4岁患右下肺炎1次。查体：T38.5℃，P110次/min，R30次/min；呼吸稍促，右下肺呼吸音减低，可闻及湿性啰音。

可能的诊断是（提示血常规：Hb120g/L，WBC17.6×10⁹/L，N0.80，L0.20；ESR35mm/h；CRP45g/L。痰细菌培养：肺炎克雷伯菌。胸部X线片：左下肺野见大片密度增高影，边界不清，其间可见散在囊性透光区。）（）

A.先天性肺囊肿并发感染

B.支气管异物并发感染

C.细菌性肺炎并发肺大泡

D.肺隔离症并发感染

E.肺部肿瘤

F.先天性囊性腺瘤样畸型并发感染

In our society, we must communicate with other people. A great deal of communicating is performed on a person-to-person (1) by the simple means of speech. If we travel in buses, stand in football match (2) , we are likely to have conversations (3) we give information or opinions, and sometimes have our views (4) by other members of society.

Face-to-face contact is (5) the only form of communication, and during the last two hundred years the (6) of mass communication has become one of the dominating factors of contemporary society. Two things, (7) others, have caused the enormous growth of the communication industry. Firstly, inventiveness has (8) advances in printing, photography and so on. Secondly, speed has revolutionized the (9) and reception of communications so that local news often (10) a back seat to national news.

No longer is the possession of information (11) to a privileged minority. Forty years ago people used to (12) to the cinema, but now far more people sit at home and turn on the TV to watch a program that (13) into millions of houses. Communication is no longer merely concerned (14) the transmission of information. The modern communications industry influences the way people live in society and broadens their horizons by allowing (15) to information, education and entertainment. The printing, broadcasting and advertising industries are all (16) with informing, educating and entertaining. (17) a great deal of the material communicated by the mass media is very valuable to the individual and to the society (18) which he is a part, the vast modern network of communications is (19) to abuse. However, the mass media are with us for better, for worse, and there is no turning (20) .

2（）

A.lines

B.queues

C.rows

D.files

某给水系统，自河流取水，河水经取水构筑物和一级泵房输送至水处理厂。一级泵房扬程计算中的输水管水头损失，应按（）计算。

a、最高日最高时用水量加水厂自用水量

b、最高日平均时用水量加水厂自用水量

c、最高日最高时用水量加漏失水量

d、最高日平均时用水量加漏失水量

下列叙述正确的是（）

A.纯合子自交后代都是纯合子

B.纯合子测交后代都是纯合子

C.杂合子自交后代都是杂合子

D.杂合子测交后代都是杂合子