The scientistswanted to keep people _____about the breakthrough in their experiment.

[单选题]Tom shut everyone out of the lab ____________ out the physical experiment.A

[单选题]___ the temperature falling so rapidly, we couldn’t go on with the experime

[问答题]It has not been decided yet whether they will take part in our experiment.

[单选题]_____the temperature falling so rapidly, we couldn’t go on with the experim

[主观题]A．fter the experiment, we willtalk about our observation. (对画线部分提问)_____will you____ after the experiment?

[单选题]（B）The surprising experiment I am about to describe proves that air is all around you and that it proves down upon you. Air pressure is a wonderful force. When you swim underwater, you can feel water push down your body. The air all around you does t

[单选题]People tend to talk about presents in a fairly loving way. A woman whose mother had died years ago described the many gifts around her house.These were gifts that her mother had given her over the years:“I appreciate these, and they mean something to

[主观题]In England，people often talk about the weather because they can have four _s________ (31)in one day．In the morning the weather is warm just like in spring． After an hour black_c________ (32) come and．then it rains hard The weather_ g________ (33)a li

[单选题]Passage ThreePeople enjoy talking about "firsts." They like to remember their first love or their first car. But not all firstsare happy ones. Few people enjoy recalling the firsts that are bad.One of history's bad but important firsts was the fir

[单选题]What do people generally believe about the way human minds work?A． People think in words and sentences.B． Human ideas are translated into symbolsC． People think by connecting threads of ideas.D． Human thoughts are expressed through pictures.