Walking alone in the dark，the boy whistled to ________ his courage.
| A．hold up | B．keep up |
| C．set up | D．take up |
You must read the _______ with great care to see if the drug contains PPA before it is taken.
| A．instructions | B．introductions | C．explanations | D．Expressions |
Many restaurant menus include the origins of a dish, _______ it is prepared, what the main ingredients are, and which farms the ingredients come from.
| A．when | B．how | C．what | D．which |
Nokia has a family of low-cost mobile phones based on Google's Android operating system.
| A．performed | B．operated | C．launched | D．instructed |
The driver should be punished! He shouldn’t _______________ running red lights.
| A．keep away from | B．keep away with | C．get away from | D．get away with |
(2013·大连二模)We each ________ strong points, but each of us on the other hand ________ weak points.
| A．have; have | B．has; have |
| C．have; has | D．has; has |
—What does PM 2.5 mean?
—It's a professional ________ indicating the condition of air pollution.
| A．term | B．item |
| C．number | D．mark |
(2013·江西景德镇市一模)This online game has been intended to improve children's ________.
| A．intelligence | B．reputation |
| C．responsibility | D．impression |
(2013·陕西宝鸡模拟)After Queen Elizabeth officially opened the 2012 Summer Olympics, London became the first city ________ three Olympic Games in history.
| A．to have hosted | B．hosting |
| C．hosted | D．having hosted |
(2013·四川高考)________ which university to attend, the girl asked her teacher for advice.
| A．Not knowing | B．Knowing not |
| C．Not known | D．Known not |