1.选择题- (共6题)
5.
如图，在三棱锥A﹣BCD中，AB⊥平面BCD，BC⊥BD，BC=3，BD=4，直线AD与平面BCD所成的角为45°，点E，F分别是AC，AD的中点．
（1）求证：EF∥平面BCD；
（2）求三棱锥A﹣BCD的体积．
6.
如图，在三棱锥A﹣BCD中，AB⊥平面BCD，BC⊥BD，BC=3，BD=4，直线AD与平面BCD所成的角为45°，点E，F分别是AC，AD的中点．
（1）求证：EF∥平面BCD；
（2）求三棱锥A﹣BCD的体积．
2.单项选择- (共7题)
7.
The visit of the police was the lost child.
| A．connected with | B．associated to |
| C．connected to | D．related with |
8.
with a difficult situation, I decided to ask my parents for advice.
| A．To face | B．Faced |
| C．Having faced | D．Facing |
9.
. John hadn’t been able to quit smoking at once; he had to control his smoking desire .
| A．more or less | B．by and by | C．little by little | D．now and then |
10.
They love their daughter so much that they are always ready to do everything they
can her happiness.
can her happiness.
| A．make sure of | B．be sure of | C．to be sure to | D．to make sure of |
11.
----I wonder how much for your services.
----The first two are free the third one costs $30.
----The first two are free the third one costs $30.
| A．while | B．until | C．when | D．before |
12.
It’s a mistake to think of Florida only its tourist attractions.
A. in terms of B according to C. regardless of D. in addition to
A. in terms of B according to C. regardless of D. in addition to
试卷分析
-
【1】题量占比
选择题:(6道)
单项选择:(7道)
-
【2】：难度分析
1星难题：0
2星难题：0
3星难题：0
4星难题：0
5星难题：0
6星难题：7
7星难题：0
8星难题：0
9星难题：0