构成咽淋巴环不包括（）。 A.腺样体 B.咽侧索 C.腭垂 D.咽后壁淋巴滤泡 E.

规范的实验操作是确保实验成功的前提，下列实验操作中正确的是（　　）

A．

液体读数

B．

液体取用

C．

过滤

D．

滴加液体

短文改错(共10小题; 每小题1分, 满分10分)

以下标有题号的每一行均有一个错误，请找出，并按下列情况改正：

此行多一个词：把多余的词用斜线（/）划掉，在该行右边横线上写出该词，并也用斜线划掉。

此行缺一个词：在缺词处加一个漏字符号（∧），在该行右边横线上写出该加的词。

此行错一个词：在错的词下划一横线，在该右边横线上写出改正后的词。

注意：请在答题卡上作答。

The Asian Games are held each four years. The 16th Asian                  小题1:_____

Games were held in Guangzhou, China. Guangzhou was a second city        小题2:_____in China to have the right for host the Asian Games. It was                  小题3:______ well-known Beijing held the 11th Asian Games in 1990.                  小题4:___            Guangzhou Asian Games opened in November 12, 2010.                 小题5:____           It had 41 event. It was the largest in the history of the Asian Games.           小题6:______ The 16th Guangzhou Asian Games that were lasted 16 days closed           小题7:______

very successfully. The Chinese sports delegation, obtained 199 gold            小题8:______

medals, 119 silver medals and 98 bronze medals, creates magnificence(辉煌)  小题9:______

in the 16th Asian Games and gained the first position once over.                  小题10:______

肝药酶的特点是（）

A.专一性高，活性有限，个体差异大

B.专一性高，活性很强，个体差异大

C.专一性低，活性有限，个体差异大

D.专一性高，活性很高，个体差异小

普通快滤池避免出现负水头的方法有哪些？