驾驶员如果服用兴奋类药物会使（）急噪。
参考答案：性格
—Where is my English book?I can't______ it.
—It's on the floor. [ ]
A. find
B. look
C. look at
铺床时移椅至床尾正中离床约为（）
A.10cm
B.15cm
C.20cm
D.5cm
