问题
单项选择题 A1型题
根据对人体的致病能力，将污染食品的微生物分为直接致病微生物、非致病性微生物和（）
A.半致病性微生物
B.相对致病性微生物
C.间接致病性微生物
D.弱致病性微生物
E.微致病性微生物
答案
参考答案：B
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根据对人体的致病能力，将污染食品的微生物分为直接致病微生物、非致病性微生物和（）
A.半致病性微生物
B.相对致病性微生物
C.间接致病性微生物
D.弱致病性微生物
E.微致病性微生物
参考答案：B
On Thursday afternoon Mrs. Clarke locked the door and went to the women’s 36 as usual. It was a pleasant way of passing time for an old woman who lived 37 . When she came home she sensed 38 unusual. Had someone got in? The back door and the 39 were all locked and there was no sign of forced entry ( 进入). Had anything been 40 ? She went from room to room, checking, and found her camera and watch 41 . The following Thursday she went out at her 42 time, but she didn’t go to the club. 43 , she took a short walk in a park nearby and came home, 44 herself in through the back door. She settled down to wait and see what would 45 . It was 4 o’clock when the front doorbell rang. Mrs. Clarke was making tea at the time. The bell rang again, and 46 she heard her letter-box being pushed open. 47 the kettle（壶）of boiling water, she moved quietly towards the door. A piece of wire appeared through the letter-box, and then a 48 . The wire turned and caught around the knob (圆型旋包钮) on the door-lock. Mrs. Clarke raised the kettle and 49 _ the water over the hand. 50 __ was heard outside as the 51 fell to the floor and the hand was pulled back, which was 52 by the sound of running feet. It wasn’t long 53 the police caught the thief. And Mrs. Clarke was greatly 54 at the club for her successful 55 .
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