对设备可消除性的有形磨损进行补偿的方式有（）。

The leaves of many trees turn ______ in autumn.

A.to red

B.red

C.to be red

D.into red

nada, is extremely beautiful. Backgrounded by the bright blue sky, the leaves on maple trees, with brilliant hues of red, give a flaming tribute to the city. Maple trees produce a peculiar sap each spring, which in turn produces sweet and delicious syrup. We Canadians are very grateful to these magic trees, because they color the Canadian landscape in the autumn and sweeten the Canadian palate in the spring.

______

______ , leaves from certain trees such as the maple turn into bright colours.

A．During the fall

B．With the fall

C．While the fall

D．Along the fall

A. will turn

B.turn

C.will get

D.get

ess sunlight, so they make less food. The leaves stop making the green color. Other colors that were under the green start to show. Leaves turn yellow, orange, brown, and red.

There was no snow, but the leaves were gonefrom the trees,andthe grass was dead.

On the hill are maple trees ______ leaves have turned red.

A．who

B．whom

C．whose

D．which

On the hill are maple trees ______ leaves have turned red.

A．who

B．whom

C．whose

D．which

On the hill are maple trees ______ leaves have turned red.

A．who

B．whom

C．whose

D．which

You can see that the leaves of these trees vary from ______ green to dark green. (yellow)