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【判断题】
成人心肺复苏时，不管单人或双人进行复苏，胸外按压与通气比均为15：2。()A.
正确
B.
错误
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【简答题】50个20相加得______；1乘360得______．
【单选题】An interesting suggestion on how to measure the temperature on the moon has been______.
A.
put on
B.
put out
C.
put down
D.
put forward
【判断题】For the given structure, if the temperature on the left side of member AC increases【图片】,the temperature on the right side of member AC decreases【图片】, and the temperature of the horizontal members CD a...
A.
正确
B.
错误
【单选题】______ graphing the temperature on a continuous basis,suppose you just take a temperature reading every hour.
A.
By
B.
If
C.
Rather than
【单选题】A report says the temperature on the earth now is much higher than _______ in the past.
A.
this
B.
that
C.
these
D.
those
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