【单选题】【消耗次数：1】
凤眼莲是沉水类花卉。
①
T
②
F
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相关题目
【单选题】
提沉组合当中的“沉”的做法，以下说法正确的是（ ）
①
沉的时候呼吸为吸气
②
向下沉的时候要先沉头
③
在做沉的时候眼睛从平视向下走下弧线看至肚脐方向
④
沉下去后，后背是平的
【单选题】
类 Teacher 和 Student 是类 Person 的子类;
Teacher t;
Student s;
// t and s are all non-null.
if (t instanceof Person ){ s=(Student)t; }
最后一条语句的结果是:（ ）
①
将构造一个Student 对象;
②
表达式是合法的；
③
表达式是错误的；
④
编译时正确， 但运行时错误。
随机题目
【多选题】
The quality of childrens program is___________ important.
①
especially
②
particularly
③
extremely
④
impossibly
【单选题】
Thats the main reason_________ the development of adult education.
①
as
②
why
③
for
④
across
【单选题】
That was a good idea and the government finally_________ it.
①
delivered
②
sold
③
bought
④
accepted
【单选题】
Everyone gets older, but you look ______ than ever.
①
young
②
younger
③
youngest
④
more young
【单选题】
His new book___ next month.
①
will be published
②
is publishing
③
is being published
④
has been published
【单选题】
The lives of many people have been enriched_________ adult education.
①
because
②
because of
③
as a result
④
so that
【单选题】
Adult schools have become popular and the enrollment has_________ rapidly.
①
increase
②
increases
③
increased
④
increasing