1993年胡同游这一新颖的旅游项目在东城区推出后,成为北京城特有的旅游产品。()
参考答案:错
解析:
西城区
They say your report doesn’t ______ the fact. But I don’t ______ them ______ this point.
A.agree to; agree with; at
B.agree on; agree to; on
C.agree on; agree on; on
D.agree with; agree with; on
焊接时在被焊工件的结合处产生(),使分离的工件连为一体。
A.机械力
B.原子间结合力
C.粘结力
D.A、B和C