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4 Travelling in a balloon Listen to a story about men traveling in a balloon and compete the statements below. Write NO MORE THAN THREE WORDS for each answer. Travel in balloon: On December 1, 1783 two 1______ tested the first hydrogen balloon. Two years later two men crossed 2_____ in a balloon. On Nov. 18, 1908 three men went up in a balloon from 3_____. The three men were carrying the rope and some 4_____. At the bottom of the rope they fixed a 5 _____ cylinder. These were used to change 6 _____. When they came to the sea, the balloon was moving at a speed of 7_____ an hour. They tried to make the cylinder full of 8_____ and it pulled the balloon’s rope and it acted like a 9 ______. The men threw some 10 _____ out to make the balloon’s weight less. The next day, the balloon went higher up to 11 ______ feet and the water in the balloon began to 12 _____. The balloon began to go down towards the ground because 13 ______ made it very heavy. Finally, they landed safely in 14 ____ and they travelled 15 _____ from London.
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参考答案:
举一反三
【单选题】射频识别技术的简称是()。
A.
RFID
B.
ELA
C.
CLA
D.
CFLP
【单选题】射频识别技术的简称()。
A.
RRRD
B.
RFID
C.
RLID
D.
RFII
【单选题】计算机网络按其覆盖的范围,可划分为
A.
以太网和移动通讯
B.
电路交换网和分组交换网
C.
局域网、城域网和广域网
D.
星型结构
【单选题】当客舱门预位后,预位安全锁插在非预位销孔时,从机外开门,会()。
A.
门内红闪灯亮。
B.
可以解除预位。
C.
不能解除预位。
D.
警告喇叭响。
【单选题】预磨机使用时应注意()
A.
滴抛光液
B.
试样飞出
C.
横向平移预磨试样
D.
选择抛光布
【单选题】射频识别技术的简称是
A.
RDID
B.
RFID
C.
RFIC
D.
FRID
【多选题】摄像机试图的切换
A.
按C
B.
窗口左上角右键切换摄像机试图
C.
按B
D.
按P
【单选题】曾经科学家们____了向活体细胞的基因组中编写数据,而如今哈佛医学院的科学家们____,完全不使用活体细胞,只利用DNA来存储数据,成功绕开了活体细胞这个阻碍。 依次填入画横线部分最恰当的一项是( )。
A.
尝试另辟蹊径
B.
试验匠心独运
C.
实现再接再厉
D.
忽视浪子回头
【单选题】曾经科学家们 ____ 了向活体细胞的基因组中编写数据,而如今哈佛医学院的科学家们 ____ ,完全不使用活体细胞,只利用 DN
A.
来存储数据,成功绕开了活体细胞这个阻碍。 依次填入画横线部分最恰当的一项是 (    ) 。 A. 尝试另辟蹊径
B.
.试验匠心独运
C.
.实现再接再厉
D.
.忽视浪子回头
【简答题】科学家们将必须提出新方法来提高世界的粮食供应。
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