单项选择题

How many circles contain a black dot

A. 12.
B. 13.
C. 14.
D. 15.
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单项选择题
At the airport, Ground Control must guide a plane from point T to the beginning of the runway R, ready to take off, avoiding any trees on the way. The plane can only move FORWARD, TURN LEFT 90° or TURN RIGHT 90°. Which set of instructions will guide the plane to the runway, avoiding any trees
A. FORWARD 3, RIGHT 90°, FORWARD 2, LEFT 90°, FORWARD 5.
B. FORWARD 1, LEFT 90°, FORWARD 2, RIGHT 90°, FORWARD 7.
C. FORWARD 3, RIGHT 90°, FORWARD 3, LEFT 90°, FORWARD 6.
D. FORWARD 1, RIGHT 90°, FORWARD 2, LEFT 90°, FORWARD 7.
单项选择题
Malcolm, Mohammed, Lucy, Sally and Robin all have pets. Malcolm, Mohammed and Robin each have a dog. Malcolm has a cat. Sally loves horses but only has a rabbit and a snake. Mohammed also has a snake. Lucy and Robin have a parrot each. Who keeps the least pets
A. Malcolm.
B. Sally.
C. Lucy.
D. Robin.
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