单选题

单选题
【正确答案】 B
【答案解析】[听力原文]
(A) She's waiting in a line.
(B) She's touching her head.
(C) She's putting on a business suit.
(D) She's buying a laptop.
[解析] (C)put on不是指穿着的状态,而是指穿的动作。
单选题
【正确答案】 C
【答案解析】[听力原文]
(A) The woman is carrying a patient.
(B) The woman is driving an ambulance.
(C) The woman is sitting on a stretcher.
(D) The woman is consulting a doctor.
[解析] (A)因为女人本身是患者,所以是错误答案。
单选题
【正确答案】 C
【答案解析】[听力原文]
(A) He's cutting the wires.
(B) He's opening the panel.
(C) He's twisting the screw.
(D) He's repairing the vehicle.
[解析] (C)“He's using a tool”也可以成为正确答案。
单选题
【正确答案】 D
【答案解析】[听力原文]
(A) They're looking through a telescope.
(B) They're installing some machinery.
(C) They're cleaning a laboratory.
(D) They're using some equipment.
[解析] (A)换成microscope(显微镜)才是正确答案。
单选题
【正确答案】 D
【答案解析】[听力原文]
(A) The cars are waiting at an intersection.
(B) The lamp posts run alongside a road.
(C) The traffic lights are being installed.
(D) The vehicles are lined up in a row.
[解析] (A)因为无法确定是交叉路,所以是错误答案。