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【单选题】

These tickets are ______. The film company gave them away to us ____.

A.
for free; free
B.
free; freely
C.
free; for free
D.
free of charge; free
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参考答案:
参考解析:
.
刷刷题刷刷变学霸
举一反三

【单选题】护士用平车运送患者过程中不正确的是

A.
保持车速平稳
B.
患者头部要卧于小轮端
C.
车上要垫木板,并将骨折部位固定好
D.
保持引流管及输液管通畅
E.
护士要站在患者头端,以利于观察病情

【单选题】Questions 18 to 20 will be based on the following conversation.

A.
She's working on a list of her favorite places in the world.
B.
She's working on her plan to visit North Pole some day.
C.
She's working on her business of an ice cream shop called North Pole Ned's.
D.
She's working on a paper about North Pole.

【单选题】Questions 18 to 20 will be based on the following conversation.

A.
It's the northernmost part of the  globe.
B.
It's moving north about 10 to 40 kilometers each year.
C.
It moves around Earth's geographic North Pole.
D.
It shows exactly where Earth's geographic North Pole is located.

【单选题】Questions 18 to 20 will be based on the following conversation.

A.
No one knows. Scientists are studying it.
B.
Yes, because every planet has two north poles, a geographic north pole and a magnetic north pole.
C.
No. Some planets do not have a liquid iron center, so they do not create a magnetic field.
D.
Yes, because all planets spin.

【单选题】1892年诞生了第一个植物自然分类系统----()。

A.
哈钦松系统
B.
塔赫他间系统
C.
恩格勒系统
D.
克朗奎斯特系统