3.已知AO为平面α的一条斜线,O为斜足,OB为OA在α内的射影,直线OC在平面α内,且∠AOB=∠BOC=45°,则∠AOC等于( )
A.30° B.45° C.60° D.不确定
2.空间四边形ABCD,M,N分别是AB、CD的中点,且AC=4,BD=6,则( )
A.1<MN<5 B.2<MN<10
C.1≤MN≤5 D.2<MN<5
1.下列命题正确的是( )
A.直线a,b与直线l所成角相等,则a//b
B.直线a,b与平面α成相等角,则a//b
C.平面α,β与平面γ所成角均为直二面角,则α//β
D.直线a,b在平面α外,且a⊥α,a⊥b,则b//α
5. Some kinds of animals can ____the colour of their surroundings.
A. take on B. dress up C. put on D. get into
BABCA
动词的时态和语态高考考点及解题指导
答题时,研读题干,搜索出尽可能多的“时间参考信息”,如:haven’t said, was doing等,这些表达中都含有时间信息,发现和有效利用这些信息是解决问题的关键。解决时态和语态问题,要遵循如下解题思路:
① 这个动作可能发生在什么时间?题干句中可参照的时间信息有那些?
② 动作处于什么时态,是进行中,还是已经结束(完成)?限制或修饰这个动作的状语信息有哪些?
③ 这个动作与主语的关系,是主动还是被动?
4. His strong Shandong accent ____him ____when he told a lie.
A. put …off B. let …out C. gave …away D. turned …up
3. I don’t think I’ll need any money but I’ll bring some _____.
A. at last B. in case C. once again D. in time
2. The doctor tried to laugh my mother ____her fear about the coming operation.
A. off B. from C. against D. into
1. –I can’t get my car ___on cold morning.
–Have you tried ___the tank with hot water?
A. started, to fill B. to start, filling C. starting, to D. start, filling
3. ____, Mother will wait for him to have dinner together.
A. However late is he B. However he is late C. However is he late D. However late he is
练习:
2. My dictionary ___. I have looked for it every where but still ____it.
A. has lost; don’t find B. is missing; don’t find
C. has lost; haven’t found D. is missing; haven’t found
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