I'm not quite sure how to get there. I'd better（）a map.

单项选择题Carbon dioxide（）from burning fuels is the most common of the so-called green-house gases.

A. producing
B. having been produced
C. to be produced
D. produced

单项选择题—Ring me at 5 am. No, better not so early ! I（）.—I got it.

A. will sleep
B. sleep
C. am sleeping
D. will be sleeping

单项选择题The old man who（）in the deserted house alone tbr ten years has been settled in a nursing home now.

A. lived
B. had lived
C. has lived
D. has been living

单项选择题Every camera we sell comes with a two-year（）

A. guarantee
B. safety
C. confirmation
D. conservation

单项选择题（）a moment and I will go to your rescue.

A. Go on
B. Hold on
C. Move to
D. Carry on

单项选择题Tough as the task was, we（）finish it ahead of time and therefore we were highly praised for it.

A. would
B. had to
C. were able to
D. must

单项选择题One more week,（）I will get everything ready.

A. and
B. or
C. while
D. but

单项选择题It is obvious that nobody wants to make friends with the poor boy（）money.

A. suspected of having stolen
B. suspecting to steal
C. suspected having stolen
D. suspecting to have stolen

单项选择题People love to waste time on the Internet and if it's funny they'll go there,（） who put the information there.

A. regardless of
B. in case of
C. in spite of
D. instead of

单项选择题教师在教学中应关注学生的情感态度，其中影响学生学习效果是情感态度的因素中不包括______。