【判断题】【消耗次数：1】
紫绀一般是由于氧合血红蛋白减少，去氧血红蛋白增加造成。
①
正确
②
错误
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随机题目
【判断题】
阅读课文II. Television and Children, 判断下列句子表述内容的正误:Television companies show only educational programs for children.
①
正确
②
错误
【判断题】
阅读课文II. Department stores 判断下列句子表述内容的正误:It gives some people great pleasure to wander in a beautiful store at their leisure.
①
正确
②
错误
【判断题】
答题说明：句子没有语法错误请选择“正确”，有语法错误请选择“错误”There are many reasons in which people like to shop in department stores.
①
正确
②
错误
【判断题】
答题说明：句子没有语法错误请选择“正确”，有语法错误请选择“错误”It surprises me where programs with much violence are very popular.
①
正确
②
错误
【判断题】
阅读课文II.Which Is Stronger? 判断下列句子表述内容的正误:The Sun agreed that the Wind could force the traveller to take off his coat.
①
正确
②
错误
【多选题】
The air became_________ .
①
cold and cold
②
colder and colder
③
warm and warm
④
warmer and warmer
【多选题】
Many young adults, who have had no_________ to receive further education before, are eager to develop their abilities.
①
skill
②
degree
③
chance
④
opportunity
【单选题】
In the United States, television stations are not_________ by the government.
①
run
②
ran
③
runs
④
running