写一写，比一比 _1＜_2_刷题宝

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写一写，比一比

____＜____

上一题下一题 0.0难度选择题更新时间:2019-11-06 08:34:38

答案(点此获取答案解析）

4,5

同类题1

Besides calling 120, here is what you should do when no one is around to help.

If you get lost, you may stay where you can be seen clearly and try your best to have a rest. In a wide open area, make a colorful cross out of rocks to show where you stay.

When you choke at home, make a sudden hit against the back of the chair. If you can't breathe after six tries, call 120. Leave the telephone open until help arrives.

Use your hand or a scarf, or any dry cloth you can find, and push down on the wound until the blood stops running. Don't put the cloth around your leg tightly(过紧), or you may lose your foot.

When a fire breaks out, you must move close to the floor. Cover your mouth and nose with a wet towel, make you wet from head to foot if possible and find a safe place outside.

同类题2

列关于PDA(个人数字助理)的叙述，错误的是（）

同类题3

Ted got a model plane on _________ birthday. He really loves it.

同类题4

半径为r的绝缘光滑圆环固定在竖直平面内，环上套有一质量为m、带正电荷的珠子，空间存在水平向右的匀强电场，如图所示．珠子所受静电力是重力的

\frac{3}{4}

倍．将珠子从环上的最低点A静止释放（重力加速度为g），则：

同类题5

这是一只白色的绵羊。

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