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【多选题】
禁止标志是禁止人们不安全行为的图形标志。禁止标志的几何图形是带斜杆的圆环,图形符号为黑色,几何图形为红色,背景色为白色,共23种。A.
B.
C.
D.
E.
F.
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皮皮学刷刷变学霸
举一反三
【单选题】He comes to school early every day. He is _____ late for school. [ ]
A.
usually
B.
never
C.
often
D.
always
【单选题】At the end of each month when he comes back from school he will be asked by his strict father to ___________ where every cent goes.
A.
watch over
B.
put forward
C.
account for
D.
set off
【单选题】—John never comes to school late. —______. He always come to school first in the class. [ ]
A.
So is he
B.
So he is
C.
So he does
D.
So does he
【单选题】I don’t know if Mike _______to my school tomorrow. If he____, I will be very happy.
A.
comes; comes
B.
came; will come
C.
will come; comes
D.
will come; came
【单选题】Peter is never late for school, ____ he? _____. He always comes on time.
A.
is, Yes
B.
isn’t, No
C.
is, No
D.
isn’t, Yes
【简答题】计算第一型曲线积分的关键是判別()的方程形式,其次是确定积分变量的取值范围
【单选题】----Your monitor is never late for school, is he? --- ______.He always comes to school earlier than others.
A.
Yes, he is.
B.
No, he isn’t
C.
Yes, of course.
D.
No, sometimes
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