同等学力英语一日一练（三）

1合金钢由加进下列一种或几种元素制成：镍、钨、硅和少量别的合金元素。

2她打开门，让他进来。

3她蹦着跳着越过草坪，跑上小径，跨上台阶，穿过凉台，进了门厅。

4他回来的时候，电脑还开着，把他吓了一跳

1. Alloy steels are formed by the addition of one or more of the following elements: nickel, tungsten, silicon and small amounts of other alloying elements.
 
2. She opened the door to let him in.

3. She skimmed over the lawn, up the path, up the steps, across the veranda, and into the porch.

4. When he came back, the computer was still on, which gave him quite a start.