商业性银行和政策性银行在我国金融领域中发挥着重要的作用，下列关于商业银行和政策性银行说法不正确的是( )。

If you keep your house green, you avoid the()of many da...

单项选择题If you keep your house green, you avoid the()of many dangerous dilease.
A、 risk
B、 task
C、 chance

Placing a job advertisement on an online job board is()...

单项选择题Placing a job advertisement on an online job board is().
A、 expensively
B、 costly
C、 cost

Would you like to go to attend the conference on global...

单项选择题Would you like to go to attend the conference on global warming with me? (). but I should finish my homework first.
A、 It’s hard to say
B、 You’re welcome
C、 I’d love to