当槽液成分低于或高于警告线以下或以上时,必须调整在控制范围内,警告线为规定范围的()。
A、20%
B、30%
C、10%
参考答案:C
患者,女,22岁,咽干不适,异物感2年,轻度咽痛。检查:咽黏膜慢性充血,咽后壁少许淋巴滤泡增生,双扁桃体Ⅰ度肿大,表面可见白色尖形物,不易擦掉,舌根及咽壁也有少许白色尖形物,应诊断为()
A.化脓性扁桃体炎
B.急性咽炎
C.咽部异物
D.扁桃体角化症
E.咽异感症
Ranch. It was near Los Angeles in CaliforniA. A few years later Hollywood was one of the famous places in the world. At the beginning of the 20th century there was a big farm called Hollywood. From the 1910’s to the 1950’s, Hollywood was the film center of the world.
Every family knew the names of its film stars—Charlie Chaplin, Greta Garbo, Bergman and hundreds more.
The reason why people went to Hollywood to make films was the sun. At first, people made films in New York on the east coast of the United States.
But then they heard about Los Angeles, where there are 350 days of the sun every year. As they made all the films by sunlight, the west coast was a much better place to work. Also near Hollywood you can find mountains and sea and desert. They did not have to travel far to make any kind of film.
When TV became popular, Hollywood started making films for television. Then in the 1970’s they discovered people still went to the cinema to see big expensive films. Nowadays they are still making films in Hollywood and people see them all over the world.
In the 1910’s Hollywood became a ().
A.famous theatre
B.good place to have holidays
C.film center
D.home for stars