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【单选题】
在一个阴湿山洼的草丛中,有一堆长满苔藓和木耳的,其中聚集着蚂蚁、蚯蚓、老鼠等动物,这些共同构成了一个 [     ]
A.
食物链
B.
食物网
C.
生态系统
D.
以上均不对
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举一反三
【判断题】Yu Boya stopped playing the guqin after his friend Zhong Ziqi died.
A.
正确
B.
错误
【判断题】VV120 型空气压缩机的润滑方式为油溅润滑。
A.
正确
B.
错误
【单选题】下列不是胆汁作用的是
A.
中和部分进入十二指肠的胃酸
B.
乳化脂肪,增加脂肪与脂肪酶作用的面积
C.
使不溶于水的脂肪分解产生脂肪酸、甘油一酯和脂溶性维生素等处于溶解状态
D.
分解部分脂肪,产生脂肪酸、甘油一酯等
E.
通过胆盐肠-肝循环,刺激胆汁分泌,发挥利胆作用
【判断题】The quality shared by Yu Boya and Zhong Ziqi was their love for music.
A.
正确
B.
错误
【判断题】Zhong Ziqi and Yu Boya composed the tune High Mountain and Flowing Stream together when they met for the first time.
A.
正确
B.
错误
【单选题】在采购细分中,低风险、高成分的项目或服务,我们称之为()
A.
策略型产品或服务
B.
杠杆型产品或服务
C.
关键型产品或服务
D.
战略型产品或服务
【单选题】The “bosom friend” story of Yu Boya and Zhong Ziqi has been widely spreading in China. Which qin music was played by Yu Boya for Zhong Ziqi?
A.
Mountain Stream
B.
Plum Blossom Melody
C.
A Music From Guangling
D.
Lisao
【简答题】填写8位数商品编码: 一种男式夹克上衣。面料:涤纶机织物,两面涂有肉眼能看到的聚氨酯树脂;里料: 100% 尼龙( )
【单选题】They stopped _____ and _____ out to play when they _____ the bell ring for rest. [     ]
A.
working; went; heard
B.
work; to go; heard
C.
working; go; hearing
D.
working; going; heard
【单选题】I _____ basketball when I was forty years old. [     ]
A.
stoped to play
B.
stopped to play
C.
stoped playing
D.
stopped playing
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