视频卡的主要功能有( )。 Ⅰ 从视频源中选择输入 Ⅱ 处理电视伴音 Ⅲ 可

根据下列句子及所给单词的首字母或汉语注释，写出空缺处各单词的正确形式（共10小题，每小题0.5分，满分10分）

小题1:She g_____________ from the university two years ago.

小题2:He is a r__________ boy. So you can trust him.

小题3:After the terrible flood, all the villages and towns were in r___________.

小题4:In my o__________, the sports meeting should be put off because of the bad weather.

小题5:He took a friendly a____________ to me ,which made me happy.

小题6:Qian Xueshen ___________ (奉献) himself to science before he died.

小题7:Ten fishermen were saved in a sea ____________(营救)。

小题8:They helped the child ___________(埋葬) his father。

小题9:The young man went on working hard and __________ (最后) he succeed.

小题10:John is very __________(活跃的) in the English class.

为什么美国海军号称世界第一？

某分析人员量取浓度为0.0250mol几的重铬酸钾标准溶液10.00m1，标定硫代硫酸钠溶液时，用去硫代硫酸钠溶液10.08m1，该硫代硫酸钠溶液的浓度为（）moI／L。

釜式重沸器的特点叙述正确的是（）

A.汽化率低

B.没有蒸汽空间

C.相当于一块理论板

D.金属耗量低

若执行磁盘扫描程序在检测的同时，由系统自动修复错误，则须选择“自动修复错误”（）。

A.单选项

B.高级项

C.复选项

D.多选项