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问题
填空题
（）是指岩石允许水头透过的能力。其定量指标为（）。
答案
参考答案：透水性；渗透系数
仿写题，造句
看图根据例子写句子。
例:
This T-shirt is good, but it's too small.
1.
_____________ is OK, but it's too ____________.
2.
_____________ is pretty, but it's _____________.
3.
________________ colourful, but they are _____________.
查看答案
单项选择题
中心架和跟刀架是安装在车床（）上使用。
A.小滑板
B.导轨
C.大滑板
D.床身
查看答案
This T-shirt is good, but it's too small.
_____________ is OK, but it's too ____________.
_____________ is pretty, but it's _____________.
________________ colourful, but they are _____________.