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【单选题】
患有流行性腮腺炎患儿具有传染性的时段是A.
腮腺肿大前1天至消肿后3天
B.
腮腺肿大前1天至出疹后5天
C.
腮腺肿大前2天至出疹后5天
D.
腮腺肿大前3天至出疹后9天
E.
腮腺肿大期
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【简答题】Small computers need only small amounts of power, _____ many that they will run on small batteries. A. which B. that C. this D. what
【简答题】A．Small factories use little oil. B．Small factories have less pollution. C．Small factories need no electricity. D．Small factories are more efficient.
【简答题】受精是两性配子结合形成（）的过程，为个体发育的起点。当获能的精子和卵子接触后，精子产生与卵周围的（）相遇，精子顶体破裂释放出体粒蛋白、透明质酸酶等这个变化称为（）。受精时精子进入卵内，卵母细胞浅层细胞质内的皮质颗粒释放出溶酶体酶样物质，使透明带结构发生变化，称为（）。最后整个卵子表层的皮质颗粒都发生胞吐作用，这个过程称为（）。
【单选题】In the corner of the room ______.
A.
was a small wooden round table
B.
was a small round wooden table
C.
was a wooden round small table
D.
was a wooden small round table
【单选题】In front of the farmhouse _____. [ ]
A.
does a small boy sit
B.
did a small boy sit
C.
sit a small boy
D.
sat a small boy
【单选题】______, it can cause circular movement.
A.
Small as it is
B.
Small as is it
C.
Small it is
D.
Small as it is
【单选题】I'd like two _____. [ ]
A.
small bowl of noodles
B.
small bowls of noodle
C.
small bowls of noodles
D.
small bowl of noodle
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