27. -- What do you think of David ?
-- There are some things that are not easy to , and hiscoldness is one .
A. put aside B. put up with C. think of D. get along with
26.The question came up at the meeting we had enough money for our research.
A. that B. what C. which D. whether
25. the weather ,the sports meet will be held on time .
A. Instead of B. In relation to C. Regardless of D. In favor of
24.In front of the farmhouse ______.
A.lay a poor man B.laid a poor man
C.a poor man lay D.did a poor man lie
23.____ Sunday, the students are at home. A. Being B. To be C. It is D. It being
22.Most animals have little connection with animals of a different
kind , they hunt them for food .
A. if B while C. unless D. as
第一节 单项填空(共15小题; 每小题1分, 满分15分)
21. In face of failure , it is the most important to keep
up good state of mood .
A. / ; a B. a ; / C. the ; / D. /; the
10.如图所示,质量为m的物体带正电Q在斜面上处于静止状态,物体与斜面均在匀强电场内,匀强电场E方向水平向右。当斜面的倾角θ逐渐增大(θ<90°),而该带电体仍静止在斜面上时,( )
A.物体所受合外力为零。
B.物体所受静摩擦力的方向可能会改变180°。
C.物体的重力势能逐渐增大,电势能逐渐减小。
D.物体的重力势能逐渐增大,电势能逐渐增大。
9.如图所示电路中,电源的电动势为E,内电阻为r,当滑动变阻器的滑片P由a向b滑动的过程中,电流表、电压表的示数变化情况是( )
A.电流表示数一直减小,电压表示数一直增大
B.电流表示数一直增大,电压表示数一直减小
C.电流表示数先增大后减小,电压表示数先减小后增大
D.电流表示数先减小后增大,电压表示数先增大后减小
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