When it ______to the latest researches into heart disease，I haven't the slightest idea.

A． talks

B． speaks

C． tells

D． comes

[单选题]When I was a child I used ______ swimming in the lake.A． to goingB． goingC． to goD． go

[问答题] “When I was young，I listen to the radio”歌名是什么？

[单选题]Only when I began to do it ____ that I had made a mistake.A． I realized B I had realized C did I realize D would I realize

[主观题]WhenIcaughthim________Istoppedbuyingthingsthereandstarteddealingwithanothershop.A．)cheatingB)cheatC．)tocheatD)tobecheating

[单选题]Why are researches on parrots important according to the passage?A． The Trust shows great concern for the programme.B． We need to know more about how to preserve parrots.C． Many people are interested in collecting parrots.D． Parrots’ intelligence may

[单选题]I was ten when I first sat with my grandmother behind the cashier（收银台）in her general store. 71 I quickly learned the importance of treating customers politely and saying “thnak you.”A．t first I was paid in candy. 72 I worked every day after school, a

[单选题]When a population doubles, the country involved needs twice as much of everything, including ______.A．) hospitals and medicinesB．) schools and studentsC．) food and manpower resourcesD．) all of the above

[单选题]When I am confronted with such questions, my mind goes __, and I can hardly remember myown date of birthA．faintB．blankC．darkD．blind

[单选题]Care and cleanliness are required when installing diesel fuel filters （）.A . to prevent the fuel system from becoming air-houndB . to prevent the fuel system becoming clogged with dirty particlesC . both of the aboveD . to prevent the lubricating oil

[试题]WhenItrytounderstand________thatpreventssomanyAmericansfrombeingashappyasonemightexpect,itseemstomethattherearetwocauses.A．)whyitdoesB)whatitdoesC．)whatitisD)whyitis