糖尿病控制不佳时可出现哪些异常改变()
A.肢体坏疽
B.视力下降
C.脂肪肝
D.淋巴结肿大
E.冠心病
参考答案:A, B, C, E
句型转换。
①He is my friend.(改为一般疑问句并作否定回答)
_____ _____ _____friend? No, _____
②My backpack is on the chair.(对画线部分提问)
_____ _____ _____backpack?
③They're on the sofa.(改为否定句)
_____ _____ on the sofa.
④It's under the tables.(改为复数形式)
_____ _____ under the tables.
⑤They're in the backpack.(改为一般疑问句并作肯 定回答)
_____ _____ in the backpack? Yes, _____
布置轻型单千斤索双杆时,舷外吊杆的仰角不要过大,否则会:()
A.发生后翻(千斤索受力为零或负值)
B.增大千斤索受力
C.增大稳索受力
D.减小舷外跨距