试述我国的报纸、无线电广播、电视等大众传播媒介在竞争中求发展的现状

通过基金超市买卖基金比通过银行柜台、独立的投资顾问等承担的费用要低得多。（）

如图1所示是光学显微镜结构示意图和观察如图2所示洋葱表皮细胞临时装片时的某视野图：

（1）要使看到的物像更清晰，应轻微调节的显微镜的结构是[______]______．

（2）在观察洋葱表皮细胞临时装片时，若小敏发现视野上方较暗，下方较亮，则她应该调节的显微镜的结构是[______]______．

（3）视野图中，a是细胞，b是______，产生b的可能的原因是盖盖玻片时没盖好．

（4）应如何做才能避免b的产生：______．

（5）在低倍镜下观察时，如果视野内所见的图象是“9”，那么载玻片上的图形是______．

电动机在运行中如果出现哪些情况之一，应立即切断电源，停机检查？

下列人员不属于回避人员的是（）。

A．书记员

B．鉴定人

C．勘验人

D．证人

Health officials in western Siberia are to begin in slaughter of thousands of birds today after identifying Russia’s first outbreak of a bird flu strain that can be fatal in humans. Doctors in neighboring Kazakhstan have also (1) that a 19-year-old poultry worker (2) admitted to hospital with (3) of bird flu, only to be diagnosed (4) double pneumonia.
The H5N1 strain of avian (5) has killed 60 people (6) 2fib in Vietnam, Thailand, Cambodia and Indonesia, but has rarely been found in birds or humans (7) Asia.
Health officials (8) that HSN1 is infecting migrating birds, which could spread the (9) into Europe. Earlier this year China registered the first outbreak of H5N1 (10) wild birds, some of which (11) to breeding grounds in Siberia. These birds could come (12) contact with others flying to Europe and North America.
Russia’s (13) began in the Novosibirsk (14) , about 1,750 miles (15) of Moscow in the Asian part of Russia, early last month, but the veterinary service (16) the virus only last week. Valery Mikheyev, the chief sanitary doctor of Novosibirsk, said that teams had been (17) the (18) birds and supervising the slaughter in13 (19) villages. He said, "The state of (20) of the inhabitants of these areas gives (21) cause for alarm. Up to 6,000 people are being (22) per day.
The virus seems to have (23) only private farms that let (24) mix with wild birds. Further outbreaks were registered in the Omsk and Altai regions, but the strain had (25) to be determined, Russia’s Emergency Situations Ministry said.