I work in a middle school.It is pleasant for me to plant in my free time.At the beginning of the school year，I had an idea-what if my students used a classroom （1） 　    　to grow vegetables for our school lunches？The students could （2） 　    　learn about planting science.

   I asked my headmaster （3） 　    　I could start a new plant lab garden.I was only in my second year of （4） 　    　，but she agreed.

   As soon as my students went into the classroom，they got （5） 　    　.They all wanted to learn how to grow vegetables in this way of indoor gardening called hydroponics（水培）.This is great for areas that don't have （6） 　    　farmland.It helps people to grow healthy vegetables just about anywhere.

   To grow 45 beds of green vegetables，we need many things （7） 　    　growing cups，LED growing lights，fans，a water pump （水泵） and so on.Although the students failed for the first time，none of them （8） 　    　.They kept on trying until they finally succeeded.It was interesting for them to watch the vegetables grow every day.And they all smiled （9） 　    　when seeing students in other classes eat the vegetables they grew.My students' new goal is that our school won't need to （10） 　    　green vegetables any more.

（1）

A．

desk

B．

computer

C．

garden

D．

blackboard

（2）

A．

ever

B．

also

C．

never

D．

only

（3）

A．

if

B．

why

C．

how

D．

what

（4）

A．

waiting

B．

growing

C．

learning

D．

teaching

（5）

A．

tired

B．

excited

C．

sleepy

D．

interesting

（6）

A．

much

B．

many

C．

few

D．

little

（7）

A．

into

B．

with

C．

like

D．

for

（8）

A．

gave back

B．

gave out

C．

gave away

D．

gave up

（9）

A．

proudly

B．

angrily

C．

loudly

D．

politely

（10）

A．

sell

B．

buy

C．

wash

D．

cook