__________ in Athens was considered sacred. A: Pine tree B: Olive tree C: Willow tree D: Cypress tree

Which of the following plants is sacred to Apollo？ （ ）。 A: Moly B: Laurel tree C: Oak tree D: Olive tree

​Just in front of our house________ with a history of 1,000 years.‎ A: does a tall tree stand B: stands a tall tree C: a tall tree is standing D: a tall tree stands

Given a tree, you can find the only binary tree corresponding to it A: 正确 B: 错误

A B-tree of level m with n keywords should have () leaf nodes A: n+1 B: n-1 C: mn D: nm/2

枯藤老树昏鸦() A: Withered vine, an old tree, a fainted crow. B: Withered vine, an ancient tree, crows at dusk. C: yellow<br/>vine, old tree and fainted crow. D: yellow vine, old tree and fainted crow.

There ______ a tree in the yard. A: is B: are

There are many___ on the mountain. A: apple tree B: apples trees C: apples tree D: apple trees

The baby was found（） A: in the mud at the base of a tree B: high in the branches of a tree C: in the closet D: in a bush

The age of a tree can be determined accurately by counting the number of tree rings it has _____.