Blank Filling (选词填空，填对应字母)A. frankB. narrowed downC. fadingD. dreadE. welfareF. gloriousG. interferenceH. communityI. dumbJ. came overK. juniorL. at any rateM. schemesN. constant O. typicalP. hand down1. Many animals face extinction (灭绝) as the result of human __________________.2. Her hope of her husband's return is ____________ as years go by.3. Having worked for three years, Roger decided to enroll on an MBA program and _____________ his choice to three famous universities on the East Coast.4. A _____________ reply is much more appreciated than beating about the bush (转弯抹角).5. Harold is always coming up with these dumb _______________ for making money that just get us into trouble.6. Call me, write to me, email me; _____________________, let's keep in touch.7. The view that you should never spend more than you earn is fairly _____________ of people of their generation.8. The artists stood before the paintings almost ______________ with astonishment at their beauty.9. In 1963, after his ______________ year in high school, Clinton was elected into a government study program for young people in Washington, D. C.10. William Byrd composed many pieces of music, but his Latin church music is considered his most _______________ work.11. Governments establish ______________ systems to provide a safety net to prevent people from suffering the effects of poverty.12. You quit that respectable, well-paid job for this unpromising one? What __________________ you?

我们用____降解动物皮中的蛋白质,用____清除皮上的油脂,就能加速水份的浸入,使皮革快速恢复新鲜状态。

考古发现在公元前1450年左右,人们就利用皮革生产了大量的衣服、鞋子和武器等。

A. 对
B. 错

（）启动模式是指，每次启动该Activity时，系统会这个Activity的实例作为一个任务压入任务栈的栈顶，每次销毁一个Activity时，系统会从任务栈中把这个Activity实例对应的任务移除。

A. singleTask
B. singleTop
C. standard
D. singleInstance

在下列选项中，用来设置Activity的启动模式的属性是（）

A. android:launch
B. android:launchMode
C. android:launchMethod
D. android:launchProperty

当Activity的启动模式指定为（），每次启动该Activity时，系统首先会检查栈中是否存在该活动的实例，如果发现已经存在则直接使用该实例，并将当前Activity之上的所有Activity出栈，如果没有发现则创建一个新的实例

A. singleTask
B. singleTop
C. standard
D. singleInstance