船舶的稳性
参考答案:
是指船舶受外力作用发生倾斜,当外力消失后能够回到原来平衡位置的能力。可分为纵稳性和横稳性。
句型转换,每空一词。
小题1:It rained heavily yesterday morning.(改为感叹句)
___ _it rained yesterday mOmin9 1
小题2:The girl is my cousin.The girl is wearing glasses.(改为定语从句)
The girl____ wearing g1asses is my Cousin.
小题3:The boy is too young to go to sch001.(改为同义句)
The boy isn’t____ to go to school.
小题4:The teacher asked me,“Will you be a v01unteer?” (改为问接引语)
The teacher asked me if____ be a volunteer.
小题5:I will go to Canada to visit my uncle in three days.(对划线部分提问)
________will you go to Canada to visit your Uncle?
能合成和分泌蛋白质,,形成纤维和基质的细胞是()
A.肥大细胞
B.血栓细胞
C.嗜酸性细胞
D.成纤维细胞