患儿，10岁。经常挤眉眨眼，耸肩摇头，口出秽语，肢体震颤，大便干结，五心烦热，两颧潮

用所给动词的正确形式填空。

     At the moment, we are getting ready for Spring Festival. We (1)_________ (clean) the house and

we (2)_________ (sweep) the floor. My mother (3)_________ (cook) a meal and my father

(4)_________(decorate) the house. My sister (5)_________ (watch) TV. Usually we (6)_________

(buy) clothes, but we (7)_________ (not buy) any clothes this New Year. We always (8)_________

(get) presents from our family and friends. The New Year Festival (9)_________ (finish) at The Lantern

Festival. The family have dinner, and we often (10)_________ (eat) round rice dumplings called

yuanxiao.

在水中能自行乳化的是

A．液状石蜡
B．椰油酯
C．肥皂∶甘油∶95%乙醇(1∶1∶5)
D．聚氧乙烯(40)单硬脂酸酯类
E．可可豆脂

下图表示人体内化学物质传输信息的3种方式。递质和性激素的传输方式依次是

A．①②

B．②③

C．①③

D．②①

螺杆式制冷压缩机启动前，启动油泵，调节油压调节阀，使油压表压力高于排气压力的表压力（）MPa。

A.0.1～0.2

B.0.2～0.3

C.0.3～0.4

D.0.4～0.5

直埋光缆敷设在坡度大于20度，坡长大于（）米的斜坡上应“S”形余留。

A、15

B、20

C、30