200-250km/h的有砟轨道砟肩宽度不小于()m
A.0.2
B.0.4
C.0.5
D.0.6
参考答案:C
可出现牵涉痛的疾病是 ()
A.带状疱疹
B.肋软骨炎
C.肋间神经炎
D.心绞痛
E.肺癌
句型转换,每空一词。
1. I like English. (改为同义句)
My ______ ______ is English.
2. Jack likes playing soccer. (用 basketball 改为选择疑问句)
______ Jack______ ______ ______ ______ ______?
3. Alan has a sister and a brother. (改为一般疑问句)
______ Alan ______ a sister ______ a brother?
4. I'm from America. (对画线部分提问)
______ country ______ ______ from?
5. Would you like something to drink? (同义句)
______ you ______ ______ ______ something?