A lot of ants are always invading my kitchen. They
are a thorough ___________.
A) nuisance B) trouble
C) worry D) anxiety
are a thorough ___________.
A) nuisance B) trouble
C) worry D) anxiety
A lot of ants are always invading my kitchen. They are a thorough ______ .
A) nuisanceB) troubleC)worryD) anxiety
under ground. The small black ants that we see running back and forth in the grass are the same ants that bother us by coming to our picnics uninvited. They are not trying to be harmful, but are only doing the house-keeping job they were made for.
They are nature's clean-up crew. One of these ants, scouting(搜索) in the grass, finds the trail of an injured beetle. In some mysterious way the news spreads. Soon there are two ants, then a few more. Then a dozen or more are running around the beetle. Enough ants will come to put an end to it.
Then the beetle is dead, the ants carry it away to their underground nests. They leave nothing in the grass but empty shell.
(1)、The ants that come to our picnics are having fun.
A:T
B:F
(2)、According to this passage, the black ants' job is to clean up the grass.
A:T
B:F
(3)、As soon as an ant finds an injured insect, it carries it away and eats it.
A:T
B:F
(4)、More ants learn about the beetle from other ants.
A:T
B:F
(5)、The ants clean the grass by carrying away everything but the shell.
A:T
B:F
It is said in the text that the working style. of ants is characterized by_________
[A] shifting roles
[B] working shifts
[C] division of labor
[D] collective efforts
A.gathered
B.flocked
C.crowded
D.swarmed
设初值AX=0119H,执行下列程序段后,AX=?
MOV CH,AH
ADD AL,AH
DAA
XCHG AL,CH
ADC AL,34H
DAA
MOV AH,AL
MOV AL,CH
HLT