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Ants are small and black. They have a small head, a small body and two feelers. They pass the information with their feelers. They are all good runners. They are very busy every day. Some of them get the food. Some of them take care of (照看) young ants. Some ants make their homes under the stone. If the weather is warm, you can see many ants under the stone. If the weather is very cold, many ants will be in the underground houses. They have a queen ant. She is bigger than any other ant. The queen ant doesn’t work but she can lay eggs. The eggs can become baby ants.
1．Ants are ________. ( )| A．insects | B．big and black | C．plants |
| A．two feelers | B．four wings | C．small heads |
| A．heads | B．mouths | C．feelers |
| A．near the river | B．in the water | C．under the stone |
| A．get the food | B．lay eggs | C．take care of baby ants |
同类型试题
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
y = sin x， x∈R， y∈[–1，1]，周期为2π，函数图像以 x = (π/2) + kπ 为对称轴
y = arcsin x， x∈[–1，1]， y∈[–π/2，π/2]
sin x = 0 ←→ arcsin x = 0
sin x = 1/2 ←→ arcsin x = π/6
sin x = √2/2 ←→ arcsin x = π/4
sin x = 1 ←→ arcsin x = π/2
