右图是某同学在显微镜下观察到的金鱼尾鳍内血液的流动图，请根据各血管中血液的流动方向判断甲、乙、丙三条血管各属于
On my way home，I saw a granny fall down．I offered help first and then______ police．（ ）
A．called upB．cared forC．cheered upD．found out
Your son used to be a homebody but he now likes outdoor activities．How did you do that？
I tried many ways over and over again．_______，I made it．（ ）
A．NextB．ThenC．FinallyD．Suddenly
Good morning．I'd like a birthday gift for my mother．
What about this scarf？It is beautiful and it______ soft and smooth．（ ）
A．feelsB．looksC．seemsD．becomes
Have you read the book Harry Potter？
Sure．Eric is also _______ it and we become friends because of that．（ ）
A．proud ofB．afraid of
C．serious aboutD．interested in
Stephen Hawking got more than 380，000 followers in two hours ______first message on Weibo．（ ）
A．beforeB．sinceC．afterD．until
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