After his journey from abroad, Richard Jones returned home, ______.
A. exhausting
B. exhausted
C. being exhausted
D. having exhausted
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The pilot asked all the passengers on board to remain ______ as the plane was making a landing.
A. seat
B. seating
C. seated
D. to be seating
在Excel中,“Sheet1!$A$1:$E$1,Sheet1!$B$3:$D$3,Sheet1!$C$5”共选定了______个单元格。
A. 9
B. 7
C. 8
D. 6
可摘局部义齿的固位体必须具备以下条件,但不包括
A. 不易积存食物
B. 有矫治力作用于基牙
C. 有固位作用
D. 不损伤口内软硬组织
E. 摘戴时对基牙无侧向力
在Excel中,1,A2,B1,B2,C1,C2单元格的值分别为1、2、3、4、3、5,在D1单元格中输入函数“=SUM(A1:B2,B1:C2)”,按Enter一键后,D1单元格中显示的值为______。
A. 25
B. 18
C. 11
D. 7