检验卧式镗床滑座导轨在垂直平面内的直线时,应在工作台面上与床身导轨平行放一水平仪。
参考答案:错
阅读短文后,判断下列各句对(T)错(F)。
Hello! I'm Mei Ling. I'm twelve. I have a new marker. It's pink. It's on my book. I don't have a badminton
and a basketball. But (但是) I can play them (它们).
( ) 1. My name's Mei Ling.
( ) 2. I'm thirteen.
( ) 3. I have a blue marker.
( ) 4. The marker is under my book.
( ) 5. I don't have a basketball.
( ) 6. I can play badminton.
“猴头果”是哪种害虫的害状()
A.梨小食心虫
B.梨大食心虫
C.苹果蠹蛾
D.桃小食心虫