皮皮学，免费搜题
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【单选题】
侏儒症是由于幼年时期缺乏A.
甲状腺激素
B.
生长素
C.
性激素
D.
甲状旁腺激素
E.
肾上腺糖皮质激素
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参考解析：
知识点：
皮皮学刷刷变学霸
举一反三
【单选题】When did Americans change the clocks in winter?
A.
at 2:00 a.m. on the second Sunday in October
B.
at 2:00 a.m. on the first Sunday in November
C.
at 2:00 p.m. on the third Friday in October
D.
at 2:00 p.m. on the second Sunday in November
【单选题】有丝分裂器是指
A.
由微管、微丝、中间纤维构成的复合细胞器
B.
由基粒、纺锤丝、中心粒构成的复合细胞器
C.
由纺锤丝、中心体和染色体组成的复合细胞器
D.
由着丝粒、中心体、染色体组成的复合细胞器
E.
由染色体和中心粒组成的复合细胞器
【单选题】听力原文：W: When did you become interested in collecting stamps? M: Oh, when I was about ten years old. It's an exciting hobby. You know, the first postage stamps were issued in Britain in 1840. W: Really...
A.
A picture of the British coat of arms.
B.
A picture of the queen's palace.
C.
A picture of Rowland Hill.
D.
A picture of Queen Victoria.
【简答题】法兰连接应保持同轴度，其螺栓孔中心偏差一般不超过孔径的5%，并保证螺栓的（）。
【单选题】听力原文：W: When did you become interested in collecting stamps? M: Oh, when I was about ten years old. It's an exciting hobby. You know, the first postage stamps were issued in Britain in 1840. W: Really...
A.
A picture of the British coat of arms.
B.
A picture of the queen's palace.
C.
A picture of Rowland Hill.
D.
A picture of Queen Victoria.
【单选题】有丝分裂器是指
A.
由微丝微管中间纤维构成的复合细胞器
B.
有基粒纺锤体中心粒构成的复合细胞器
C.
由纺锤体中心体和染色体构成的复合细胞器
D.
由着丝粒中心体和染色体构成的复合细胞器
【简答题】词汇考查。 1. How long have you been c shells? 2. Was this your first skating m ? 3. When did you get your first p of skates? 4. I p love globes with animals. 5. Although I am new, I have s friends here. 6...
【单选题】When did Americans change the clocks in Spring?
A.
at 2:00 p.m. on the second Sunday in March
B.
at 2:00 p.m. on the third Friday in April
C.
at 2:00 a.m. on the second Sunday in March
D.
at 2:00 a.m. on the first Friday in May
相关题目：
【单选题】有丝分裂器是指
A.
由微丝微管中间纤维构成的复合细胞器
B.
有基粒纺锤体中心粒构成的复合细胞器
C.
由纺锤体中心体和染色体构成的复合细胞器
D.
由着丝粒中心体和染色体构成的复合细胞器