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【单选题】
测者眼16m,物标高程为36m,则测者能见地平距离为 n mile。A.
8.36
B.
12.54
C.
10.45
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【简答题】Passage One The war on smoking, now five decades old and counting, is one of the nation's greatest public health success stories - but not for everyone. As a whole, the country has made amazing progre...
【简答题】The war on smoking, now five decades old and counting, is one of the nation's greatest public health success stories - but not for everyone. As a whole, the country has made amazing progress. In 19,...
【单选题】In many countries now, smoking is not ______ in public places.
A.
permissive
B.
permissible
C.
permutable
D.
pernicious
【单选题】标识符命名规范说法正确的是()
A.
由字母、下划线、数字、$符号随意组成
B.
标识符不能以数字作为开头
C.
A和a在java中是同一个标识符
D.
可以使用关键字做标识符
【单选题】Countries where cigarette smoking is only now becoming widespread can expect enormous increases in lung cancer during the 1990s or early in the next century, ________ prompt effective action is taken ...
A.
if
B.
unless
C.
provided
D.
while
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