问将select元素绑定到Angular中的对象

EN

@Component({
   selector: 'myApp',
   template: 
      `<h1>My Application</h1>
       <select [(ngModel)]="selectedValue">
          <option *ngFor="#c of countries" value="c.id">{{c.name}}</option>
       </select>`
    })
export class AppComponent{
   countries = [
      {id: 1, name: "United States"},
      {id: 2, name: "Australia"}
      {id: 3, name: "Canada"},
      {id: 4, name: "Brazil"},
      {id: 5, name: "England"}
   ];
   selectedValue = null;
}

<option *ngFor="#c of countries" value="c">{{c.name}}</option>