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【简答题】
一批砂的细度模数为2.9,应属 砂。
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皮皮学刷刷变学霸
举一反三
【单选题】The helm command CHECK HER means ______ .
A.
 test the steering control
B.
read the compass heading
C.
stop the swing using hard over rudder
D.
slow the swing using moderate rudder
【单选题】用徒手切片法进行制片时,下列说法错误的是
A.
为了防止材料失水,导致结构发生改变,要将材料浸入水中
B.
切片时应手腕用力,可以来回切割材料
C.
用滤纸条将盖玻片上面及周围多余的水吸掉,可以避免污损显微镜物镜镜头
D.
用徒手切片法进行制片时,刀片由左前方向右后方一次切下
【单选题】汽车的基体是( )
A.
车架
B.
发动机
C.
车身
D.
车轮
【单选题】下面关于切片的说法错误的是()
A.
切片是网页对象,它们不以图像的形式存在
B.
可以创建三角形切片对象
C.
可以创建圆形切片对象
D.
隐藏一个切片对象时并不会阻止将该切片导出到HTML
【单选题】切片,说法错误的是()
A.
如组织脱水不好,组织表面将出现白色状,不利于切片
B.
先细切,再粗切
C.
如果组织脱水或浸蜡过度,切片时呈粉沫状或者呈波浪状。
D.
装上切片刀,装上蜡块,修平切面,原则上是暴露组织的最大切面
E.
切片的厚度,一般切片在4-5um
【单选题】---Jimmy has had a lot of parties recently. ---Yes , that might _____ why he didn’t do well in the test.
A.
apply for
B.
pay for
C.
answer for
D.
account for
【单选题】Jimmy has gone to Hongkong. I wish I _______his invitation for dinner last night.
A.
had accepted
B.
would have accepted
C.
have accepted
D.
accepted
【单选题】My father isn't here, he ______ Harbin. [     ]
A.
has been to
B.
has gone to
C.
has been
D.
has gone
【简答题】汽车的基体是 。
【简答题】Alice has gone to the classroom and she didn't say____________
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