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【单选题】
下面( )选项没有将john添加到users数组中A.
$users[ ]="john";
B.
array_add($users,"john");
C.
array_push($users,"john");
D.
$users["aa"]="john";
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举一反三
【单选题】According to paragraph 2, evidence from fossils suggests that
A.
extinction of species has occurred from time to time throughout Earth's history.
B.
Extinctions on Earth have generally been massive
C.
there has been only one mass extinction in Earth's history.
D.
dinosaurs became extinct much earlier than scientists originally believed.
【简答题】“不积跬步，无以至千里；不积小流，无以成江海”的名言告诉人们的哲理是（ ）。
【简答题】The Tower of Yunshanshengdi was a two-storied building in the palace area. And the steps upwards are hidden in the rockeries.
【简答题】What's the definition of logistics? In a narrow sense, logistics is the flow and storage of goods from the point of origin to the point of consumption.
【单选题】The hospital opened 5 years ago. It _____ for 5 years. [ ]
A.
opened
B.
opens
C.
has been open
D.
has opened
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