【判断题】感觉器官包括眼、耳、鼻、舌和手,对应的感觉是视觉、听觉、嗅觉、味觉和触觉。
【简答题】完形填空。 This is a girl. She's 1 English girl. Her name's Becky. She's twelve. She's in 2 No. 1 Middle School in Beijing. She studies (学习) 3 in it. Mr Liu is her Chinese teacher. 4 name is Liu Yong. He's...
【判断题】异步电动机的气隙较大,则电动机的励磁电流较大,功率因数较低。
【简答题】完形填空。 This is a girl. She's 1 English girl. Her name's Becky. She's twelve. She's in 2 Grade Seven at No. 1 Middle School in Beijing. She studies (学习) 3 in it. Mr Liu is her Chinese teacher. 4 name is...
【单选题】This is a girl. She’s (11) English girl. Her name's Becky.She's twelve. She’s in (12) 0f No.l Middle School in Beijing. She studies(学习) (13) in it. Mr Liu is .her Chinese teacher.(14 ) name is Liu Yon...
【单选题】异步电动机的气隙较大,则电动机的( )。
【单选题】下列表述,有错误的一项是( )
A.
春节是我国传统习俗中最隆重的节日。此节乃一岁之首古人又称元日、元旦、元正、新春、新正等
B.
“但愿人长久,千里共婵娟”,其中婵娟指的是月亮。
C.
《论语》是儒家经典,记录了春秋时期思想家、教育家孔子和他的弟子的言行。
D.
《庄子》属于法家经典,是战国时期哲学家庄周及其后学的著作集。
【简答题】根据图文回答下列问题。 (1)汽水是常见的饮料,打开瓶盖汽水会自动喷出。 ①汽水属于____(填“纯净物”或“混合物”)。 ②汽水中的气体的溶解度随压强减小而____(填“增大”或“减小”)。 ③汽水瓶的材质属于____(填“金属”或“合成”)材料。 ④汽水的PH范围是2.2~ 4.9,呈____(填“酸”、“碱”或“中”)性。 (2)在中秋节,人们有食用月饼的习俗。 ①营养成分表中的“钠”是指_...