检查砌块是否松动时，首先观察石块（）是否有变化，石块与周围是否平整。
A.形状
B.周围砌缝
C.大小
D.质量
参考答案：B
26．“How could you lose so much money?” Charlie asked his wife, eyeing her angrily from_________the kitchen table.
A．at
B．across
C．through
D．On
