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

住宅厨房与卫生间的门如不设固定百页，应留有一定进风措施，门下距地留出的缝隙不小于：A.20mmB.35mmC....

单项选择题住宅厨房与卫生间的门如不设固定百页，应留有一定进风措施，门下距地留出的缝隙不小于：