根据句意，用适当的介词填空。

1.l can hardly believe that so fine paper is made____    wood.

2. Many desks and chairs are made     ____wood in some country school.

3. Look! These luxurious(豪华的)cars are made   ___    China.

4. Those apples can be made__       _the apple jam.

5. The Shenzhou satellites are made       ____Chinese ourselves.

根据相关规定，在( )情形下，劳动者解除劳动合同应当提前30日书面形式通知用人单位。

A．在试用期内

B．用人单位以暴力、威胁的手段强迫劳动的

C．劳动者又应聘于其他单位

D．用人单位未按照劳动合同约定支付劳动报酬的