患儿5岁，干咳无痰，或痰少而黏，不易咳出，口渴咽干，喉痒声嘶，手足心热，或咳痰带血，

男，40岁，20年前出现右下肢肿胀，逐渐加重，其间多次“丹毒”发作，现右下肢明显增粗，行走费力。查体：右下肢明显增粗，皮肤粗糙、质韧，无可凹性水肿，放射性核素示浅深淋巴管均有回流不畅，在下肢远端淤滞。下述哪项描述是正确的（）。

A.诊断应为先天性淋巴水肿

B.诊断应为早发性淋巴水肿

C.诊断应为退发性淋巴水肿

D.诊断应为继发性淋巴水肿

E.病因诊断还不明确

患者，男性，75岁，反复咳嗽，咳白色泡沫样痰30年，每年3～4个月，5年来症状加重，活动后气促，2天来受凉后咳嗽、咳痰、胸闷、喘憋，体检：桶状胸，叩诊过清音，双肺下野可闻及干湿性啰音。心率120次／分，律齐，心浊音界不易叩出，心音遥远，双下肢凹陷性水肿

经抗炎、保持呼吸道通畅、改善呼吸功能，纠正缺氧和二氧化碳潴留等治疗后，患者咳嗽咳痰、呼吸困难缓解，病情稳定，则患者需进行的康复训练不恰当的是（）

A.姿势训练

B.有氧训练

C.呼吸肌训练

D.躯干灵活性训练

E.重建腹式呼吸模式训练

压力变送器可以带压检查零位。

It is clear that some chemicals can damage the health of animals and humans. (1) , this is not the only problem that (2) be caused by the careless use of chemicals. Chemicals can also (3) the ecological balance of the environment. If the ecological balance is disturbed, the results can be (4) serious.The (5) of DDT illustrates the problem. DDT, a chemical which kills insects, at first seemed to be a perfect answer (6) many problems. It would control insects that caused dangerous diseases, (7) insects that caused billions of dollars of damage to crops every year. Governments permitted and even (8) the use of DDT. Farmers in many countries (9) to spray it on their crops. The (10) results were good. Damage to crops (11) down, and profits went up. However, the chemical had effects which the scientists didn’t see in (12) . First, it also killed insects which were the (13) enemies of the harmful insects and which were therefore beneficial to farmers. Second, and perhaps worse, DDT did not kill (14) harmful insect. A few insects had natural resistance to the chemical. They (15) and reproduced in large numbers. In a few years there were large numbers of insects which were not (16) by DDT, and there were (17) insects which Could act as natural (18) on these new "super-insects". Finally, it became clear that DDT was not solving the insect problem. In fact, it was making the problem worse. It (19) became necessary to find a second (20) for the effects of the first.

第（17）空应选择（）

A.many 

B.a few 

C.a little 

D.fewer

根据行政职权的产生和方式，行政主体可以划分为( )。

A．授权性行政主体

B．内部行政主体

C．职权性行政主体

D．外部行政主体