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【单选题】
人为水的可能来源（ ）。A.
含水层的储蓄
B.
溶洞
C.
含水层局部聚集水
D.
隧道施工用水
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【简答题】U.S. companies are forecast to spend five percent more on travel in 2011 than they did last year—a sign of confidence in the economy that is encouraging airlines, hotels and rental-car companies. That...
【单选题】Few places are so awash in information technology as the U. S. college campuses. And thanks to the explosive growth of the Internet, universities have intensified their efforts to wire the ivory tower...
A.
investigate the invisible cyberspace
B.
excel in the computer operational skills
C.
subscribe to an on-line information service
D.
share their thought and ideas generously
【单选题】下列输入框(id=etPwd)文本变化事件监听,正确的是
A.
etPwd.addTextChangedListener( { @Override public void onTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) { } @Override public void beforeTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) } @Override public void afterTextChanged(Editable arg0) { } });
B.
etPwd.addTextChangedListener(new TextWatcher() { @Override public void onTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) { } @Override public void beforeTextChanged(CharSequence arg0, int arg1, int arg2, int arg3) } @Override public void afterTextChanged(Editable arg0) { } });
C.
etPwd.addFocusables(views, direction);
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