[填空题]Terrified by the thought that she was having a heart attack, Mary screamed for help.

[填空题]Terrified by the thought that she was having a heart attack, Mary screamed for help.

[单项选择]Keith thought that she might have made a mistake since Holder and Bragg ______.
A. are their major suppliers
B. filled their orders
C. are their competitors

[简答题]I thought she would scold me. She let me tell her my troubles. (compound sentence)

[单项选择]In everyday usage "hot" means "having a lot of heat". Many people think that "cold" is something completely separated from heat. But this is not true. "Cold" simply means "having little heat".
Your life depends on heat. In fact, every living thing depends on it. Without heat, every living thing would be frozen to death. All living things get their heat from the sun, which provides the conditions in which life is possible.
Since before the dawn of history, man has been able to make his own heat. He has been able to release the sun’s heat that is trapped in things such as wood, coal, and oil. And he has been able to use this heat.
Heat has made civilization possible. With heat, man could melt metals. As man learned to use metals and fuels, industries grew. As a result, engines were invented. These are machines that change heat energy into mechanical energy. Engine can do the work of many men. Without engines industrial civilization is impossible.
Yet when the first en
A. the weather is fine and it is in summer
B. one has a temperature
C. having a great deal of heat
D. having very little heat

[单项选择]Mary thought she would never meet Tom again, but by a curious ______ they finally met.
A. coincidence
B. incidence
C. incident
D. accident

[单项选择]I much prefer this candidate, i thought she was （） better than the other one.
A. lot
B. bit
C. more
D. far

[单项选择]I’d offer to pay for her if I thought she wouldn’t be offended，but it’s a rather delicate issue．
A. 早知道她生气，我就早点主动替她付账了，这个问题太微妙了。
B. 如果不是认为她会生气，我就主动替她付账了，但这是一个相当微妙的问题。
C. 如果她不太容易激怒的话，我会主动把钱给她，但这实在是太微妙了。
D. 我会替她主动付账的，只是我当时怕她会被激怒，这件事说起来很微妙。

[单项选择]A. She is having a headache.
B. She thinks the man is nervous.
C. She wants to leave.
D. She is waiting for the doctor.