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【简答题】
单晶直探头发射超声波时,是利用压电晶片的 _____ ,而接收超声波时是利用压电晶片的 ______ ,发射在 _____ ,接收在 _____ 。
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【单选题】病人,右胸部损伤,胸痛,右侧有明显的反常呼吸运动。X线检查右前胸部第4-8肋多处骨折,无血胸、气胸。急救应首选
A.
止痛
B.
保持呼吸道通畅
C.
局部置垫加压包扎
D.
输血、输液、抗休克
E.
吸氧
【单选题】听力原文：W: Oh, this is a beautiful city. I'm really glad I've brought my camera. M: Yes, there are lots of things to take pictures of here. But I hope you will not plan to spend all your time taking pict...
A.
To visit more places in the city.
B.
To take a lot of pictures of the beautiful city.
C.
To take some pictures of his friends.
D.
To spare some time to meet his friends.
【单选题】听力原文：W: This is a beautiful park. Shall we come again tomorrow? M: Don't we have to go shopping? W: We can do that in the afternoon, and come here in the morning. M: OK. And let's bring Hilda and Juli...
A.
They are going shopping.
B.
They are going to the park.
C.
They are going to the cinema with their children.
【简答题】地面上两点的水平距离为150m，问在1:1000，1:2000，1:500的地形图上各为多少米? 从1:500的地形力上量得一线段为95px，问在地面上的实际距离为多少?
【单选题】听力原文：W：This is a beautiful park．Shall we come again tomorrow? M：Don’t we have to go Shopping? W：We call do that in the afternoon，and come here in the morning． M：OK．And let’s bring Hilda and Julia with...
A.
They are going shopping．
B.
They are going to the park．
C.
They are going to the cinema with their children．
【单选题】病人,右胸部损伤,胸痛,右胸有明显的反常呼吸运动。x线检查右前胸部4~8肋多处骨折,无血气胸。急救应首选
A.
止痛
B.
保持呼吸道通畅
C.
局部置垫加压包扎
D.
输血输液、抗休克
E.
吸氧
【单选题】听力原文：W: Oh, this is a beautiful city. I'm really glad I've brought my camera. M: Yes, there are lots of things to take pictures of here. But I hope you will not plan to spend all your time snapping. I...
A.
To visit more places in the city.
B.
To snap as many pictures as possible.
C.
To take good care of her camera.
D.
To spare some time to meet his friends.
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