更多"[单选题]I won't attend the party______"的相关试题:
[单选题]I won't lend any money to Joe because I am afraid ________ he will forget to pay it back. ( )
A. when
B. whether
C. that
D. of
[单选题] I won’t go home ________ I finish doing my work.
A.after
B.until
C.when
D.while
[单选题]You won't get paid for time of___you have a doctor's note. ( )
A. in spite of
B. if
C. because
D. unless
[单选题] My mother won’t allow me to travel ________.
A.alone
B.lonely
C.one man
D.along
[单选题] Study still harder, ________ you won’t be able to pass the exam next week.
A.and
B.then
C.or
D./
[单选题]A person______e-mail box is full won't be able to send or receive any e-mails. ( )(
A. who
B. whom
C. whose
D. whoever
[单选题]I know that you are extremely busy, so I won’t __ any more of your time. ( )(
A. bother
B. spend
C. waste
D. cost
[单选题] I can’t go to the cinema with you. I must ________ the lessons first.
A.go on
B.go over
C.go down
D.go into
[单选题] I want this car, but I can’t afford to buy ________.
A.one
B.another
C.it
D.this
[单选题]已知I=100sin(ɯt+30°）A.t=0时.I等于( )
A.-100A
B.86A
C.-50A
D.50A
[单选题]Smoke hoods are supplied for the cabin attendants to:
A.A. supply oxygen for passengers
B.B. fight a fire or against emission of smoke or noxious gases
C.C. breathe oxygen
[单选题]当ωt=120°时,i1.i2.i3分别为( )。
A.0.负值.正值
B.正值.0.负值
C.负值.0.正值
D.0.正值.负值
[单选题]Jane is not to attend Sally’s birthday party, for they had a quarrel last Friday.（2 分）
A.likely
B.possibly
C.probably
D.willingly
[单选题]已知两个正弦量 i1=10sin(314t+900)A,i2=10sin(628t+300)A,则( )。
A.i1 比 i2 超前 600
B.i1 比 i2 滞后 600
C.i1 与 i2 相位相同
D.不能判断 i1 与 i2 的相位差
[单选题]15.已知正弦电流i1=20 sin(314t+60°)，i2=30sin(314t-90°)A，则用电流表分别测两电流值，其读数符合下列选项（ ）。（提示 ＝1.414）
A.A.20， 30A
B.B.20A， 21.2A
C.C.28.28A， 30A
D.D.28.28A， 21.2A
[单选题][T]A-B-A-014 3 2 3
已知 i =10sin(314t+90°)
A,i =10sin(628t+30°)
A,则(
)。
1
2
A.i 超前 i 60°
1
2
B.i 滞后 i 60°
1
2
C.i1 滞后 i2-60°
D.相位差无法判断
[单选题]Would you please help me? I don't know______to deal with the math problem. ( )(
A. what
B. how
C. which
D. why
[单选题]I didn't______to take a taxi hut I had to as I was late. ( )
A. mean
B. assume
C. hope
D. suppose
