One of the most damaging plant parasites is the stem eelworm.A．harmfulB．elegantC．versatile

If the discharge valve is closed before the drive motor is stopped, which of the following types of pumps will most likely be damaged？

（The simplest) kind of plant, （alike) the simplest kind of animal, （consists of) （only one

Many of the most damaging and life threatening types of weather, such as torrential rains

Look at the joke in the last part of the passage. We can infer that most people with damag

One focus in the green roof research is the evaluation of suitable plant species.A．RightB．

Why are the lives of plants not well-known to most people？A．Because plants are not importa