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【单选题】
下列各组物质中,不能发生反应的是(  )
A.
AgNO 3 溶液与NaCl溶液
B.
BaCl 2 溶液与K 2 S0 4 溶液
C.
FeCl 3 溶液与KOH溶液
D.
KNO 3 溶液与Na 2 SO 4 溶液
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【单选题】With reference to your letter, we are glad to know that the goods ____your port.
A.
have come to
B.
have arrived at
C.
reached at
D.
get
【单选题】We are glad to know Peter came__in high jump.
A.
in two
B.
in second
C.
for two
D.
for second
【单选题】直接盖髓术的适应症之一是
A.
可复性牙髓炎
B.
龋去腐未净穿髓
C.
陈旧的冠折露髓
D.
年轻恒牙急性龋
E.
意外穿髓孔直径≤0、5mm
【单选题】直接盖髓术的适应症如下,除外
A.
可复性牙髓炎
B.
龋去腐未净穿髓
C.
新鲜的冠折露髓
D.
年轻恒牙早期牙髓炎
E.
意外穿髓孔直径≤0.5mm
【单选题】We are glad to know that you are making plans to visit to China _.
A.
the next month
B.
next month
C.
in the next month
D.
in the following month
【单选题】With reference to your letter, we are glad to know that the goods _ your port.
A.
have come to
B.
have arrived in
C.
reached at
D.
get
【单选题】为了提高宝石的出成率和加工效率,选取原料时宜选取( )韧性脆性的材料。
A.
B.
中等
C.
D.
任意
【单选题】We are glad to know that you are making plans to visit China ( )
A.
the next month
B.
next month
C.
in the next month
D.
in the following month
【多选题】影响果蔬干燥过程的因素有( )。
A.
干燥介质的温度
B.
干燥介质的湿度
C.
气体循环的速度
D.
原料的种类和形态
【单选题】直接盖髓术的适应症之一是
A.
可复性牙髓炎
B.
龋去腐未净穿髓
C.
陈旧的冠折露髓
D.
年轻恒牙急性龋
E.
意外穿髓孔直径≤0、5mm
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