判断题：密封圈与电缆护套间隙过大时，可以垫层胶皮。（）A．正确B．错误

[完型填空] A hot dog is one of the most popular American foods. It was, named ...

[完型填空] Nora was sixteen years old. She had a little brother. His brother...

[阅读理解] Britain and France are separated by the English Channel, a body o...

[交际用语] May I borrow those magazines_________ You may keep them for two weeks.A

[ 完型填空] Fruit is good for people. Many people eat some （ 1 ） every day. ...