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【单选题】
关于 Object类,下面说法正确的是A.
equals方法可以比较两个字符串对象的属性值是否相等
B.
如果两个对象同一，那么它们不一定相等
C.
如果两个对象相等，那么它们一定同一
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【简答题】My father's birthday is on May the ______ (two)．
【单选题】My father will come back home tomorrow. He has ________for nearly two weeks. [ ]
A.
gone on vacation
B.
been on vacation
C.
gone to vacation
D.
been to vacation
【单选题】My father _____ on business for two weeks. He'll return in 3 days. [ ]
A.
left
B.
has left
C.
has gone
D.
has been away
【单选题】临床应用麦角胺治疗偏头痛的可能原因是
A.
拮抗血管平滑肌上的α受体
B.
抑制前列腺素合成
C.
具有中枢镇痛作用
D.
收缩脑血管,减轻动脉搏动幅度
E.
直接扩张脑血管,改善脑组织供氧
【单选题】Look! My father has ______. [ ]
A.
five baseballs
B.
six soccer balls
C.
seven basketballs
D.
two ping-pong balls
【单选题】My father went to Shanghai yesterday. He ______ back in two weeks. [ ]
A.
comes
B.
has come
C.
will come
D.
came
【单选题】My father has ______ for two weeks. I miss him so much.
A.
left
B.
leave
C.
gone
D.
been away
相关题目：
【单选题】临床应用麦角胺治疗偏头痛的可能原因是
A.
拮抗血管平滑肌上的α受体
B.
抑制前列腺素合成
C.
具有中枢镇痛作用
D.
收缩脑血管,减轻动脉搏动幅度
E.
直接扩张脑血管,改善脑组织供氧